28 log(x) = 48
$$\\28 log(x) = 48\\\\ log(x)=48/28\\\\ 10^{log(x)}=10^{48/28}\\\\ x=10^{48/28}\\\\$$
$${{\mathtt{10}}}^{\left({\frac{{\mathtt{48}}}{{\mathtt{28}}}}\right)} = {\mathtt{51.794\: \!746\: \!792\: \!312\: \!1}}$$
this is an approximation.
28 log(v) = 48
v = 52