Finding the Fourth Proportional to 26,355.68, 36,371.10 and 14,418.75
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Solution
The fourth proportional to 26,355.68, 36,371.10 and 14,418.75 is: 19,898.02
Step by Step Solution
- Step 1: Write the proportion equation
26,355.68 : 36,371.10 = 14,418.75 : x - Step 2: Convert to fraction form
26,355.68/36,371.10 = 14,418.75/x - Step 3: Cross multiply
26,355.68x = 36,371.10 × 14,418.75 - Step 4: Simplify right side
26,355.68x = 524,425,798.13 - Step 5: Solve for x
x = 524,425,798.13/26,355.68 - Step 6: Final answer
x = 19,898.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.