Home / 28,092.38-42,124.36-9,365.86

Finding the Fourth Proportional to 28,092.38, 42,124.36 and 9,365.86

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Solution

The fourth proportional to 28,092.38, 42,124.36 and 9,365.86 is: 14,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.38 : 42,124.36 = 9,365.86 : x
  2. Step 2: Convert to fraction form
    28,092.38/42,124.36 = 9,365.86/x
  3. Step 3: Cross multiply
    28,092.38x = 42,124.36 × 9,365.86
  4. Step 4: Simplify right side
    28,092.38x = 394,530,647.73
  5. Step 5: Solve for x
    x = 394,530,647.73/28,092.38
  6. Step 6: Final answer
    x = 14,044.04

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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.