Home / 25,400.38-38,114.97-13,713.34

Finding the Fourth Proportional to 25,400.38, 38,114.97 and 13,713.34

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Solution

The fourth proportional to 25,400.38, 38,114.97 and 13,713.34 is: 20,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.38 : 38,114.97 = 13,713.34 : x
  2. Step 2: Convert to fraction form
    25,400.38/38,114.97 = 13,713.34/x
  3. Step 3: Cross multiply
    25,400.38x = 38,114.97 × 13,713.34
  4. Step 4: Simplify right side
    25,400.38x = 522,683,542.70
  5. Step 5: Solve for x
    x = 522,683,542.70/25,400.38
  6. Step 6: Final answer
    x = 20,577.78

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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.