Home / 28,448.73-42,665.19-8,462.61

Finding the Fourth Proportional to 28,448.73, 42,665.19 and 8,462.61

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Solution

The fourth proportional to 28,448.73, 42,665.19 and 8,462.61 is: 12,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.73 : 42,665.19 = 8,462.61 : x
  2. Step 2: Convert to fraction form
    28,448.73/42,665.19 = 8,462.61/x
  3. Step 3: Cross multiply
    28,448.73x = 42,665.19 × 8,462.61
  4. Step 4: Simplify right side
    28,448.73x = 361,058,863.55
  5. Step 5: Solve for x
    x = 361,058,863.55/28,448.73
  6. Step 6: Final answer
    x = 12,691.56

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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.