Finding the Fourth Proportional to 42,897.36, 64,302.30 and 26,247
Calculator
Solution
The fourth proportional to 42,897.36, 64,302.30 and 26,247 is: 39,343.74
Step by Step Solution
- Step 1: Write the proportion equation
42,897.36 : 64,302.30 = 26,247 : x - Step 2: Convert to fraction form
42,897.36/64,302.30 = 26,247/x - Step 3: Cross multiply
42,897.36x = 64,302.30 × 26,247 - Step 4: Simplify right side
42,897.36x = 1,687,742,468.10 - Step 5: Solve for x
x = 1,687,742,468.10/42,897.36 - Step 6: Final answer
x = 39,343.74
Related Problems
Find fourth proportional to 21,448.68, 32,151.15 and 13,123.50
Half scale
Find fourth proportional to 85,794.72, 128,604.60 and 52,494
Double scale
Find fourth proportional to 42,898.36, 64,303.80 and 26,248
Similar ratio
Find fourth proportional to 64,346.04, 96,453.45 and 39,370.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.