Home / 25,472.16-38,164.14-13,793.40

Finding the Fourth Proportional to 25,472.16, 38,164.14 and 13,793.40

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Solution

The fourth proportional to 25,472.16, 38,164.14 and 13,793.40 is: 20,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472.16 : 38,164.14 = 13,793.40 : x
  2. Step 2: Convert to fraction form
    25,472.16/38,164.14 = 13,793.40/x
  3. Step 3: Cross multiply
    25,472.16x = 38,164.14 × 13,793.40
  4. Step 4: Simplify right side
    25,472.16x = 526,413,248.68
  5. Step 5: Solve for x
    x = 526,413,248.68/25,472.16
  6. Step 6: Final answer
    x = 20,666.22

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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.