Home / 38,658.75-57,981.30-17,593.86

Finding the Fourth Proportional to 38,658.75, 57,981.30 and 17,593.86

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Solution

The fourth proportional to 38,658.75, 57,981.30 and 17,593.86 is: 26,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,658.75 : 57,981.30 = 17,593.86 : x
  2. Step 2: Convert to fraction form
    38,658.75/57,981.30 = 17,593.86/x
  3. Step 3: Cross multiply
    38,658.75x = 57,981.30 × 17,593.86
  4. Step 4: Simplify right side
    38,658.75x = 1,020,114,874.82
  5. Step 5: Solve for x
    x = 1,020,114,874.82/38,658.75
  6. Step 6: Final answer
    x = 26,387.68

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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.