Home / 25,938.92-38,902.15-11,890.18

Finding the Fourth Proportional to 25,938.92, 38,902.15 and 11,890.18

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Solution

The fourth proportional to 25,938.92, 38,902.15 and 11,890.18 is: 17,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938.92 : 38,902.15 = 11,890.18 : x
  2. Step 2: Convert to fraction form
    25,938.92/38,902.15 = 11,890.18/x
  3. Step 3: Cross multiply
    25,938.92x = 38,902.15 × 11,890.18
  4. Step 4: Simplify right side
    25,938.92x = 462,553,565.89
  5. Step 5: Solve for x
    x = 462,553,565.89/25,938.92
  6. Step 6: Final answer
    x = 17,832.41

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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.