Home / 28,092.34-42,134.19-9,372.70

Finding the Fourth Proportional to 28,092.34, 42,134.19 and 9,372.70

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Solution

The fourth proportional to 28,092.34, 42,134.19 and 9,372.70 is: 14,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.34 : 42,134.19 = 9,372.70 : x
  2. Step 2: Convert to fraction form
    28,092.34/42,134.19 = 9,372.70/x
  3. Step 3: Cross multiply
    28,092.34x = 42,134.19 × 9,372.70
  4. Step 4: Simplify right side
    28,092.34x = 394,911,122.61
  5. Step 5: Solve for x
    x = 394,911,122.61/28,092.34
  6. Step 6: Final answer
    x = 14,057.61

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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.