Home / 28,372.95-42,552.59-12,569.25

Finding the Fourth Proportional to 28,372.95, 42,552.59 and 12,569.25

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Solution

The fourth proportional to 28,372.95, 42,552.59 and 12,569.25 is: 18,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372.95 : 42,552.59 = 12,569.25 : x
  2. Step 2: Convert to fraction form
    28,372.95/42,552.59 = 12,569.25/x
  3. Step 3: Cross multiply
    28,372.95x = 42,552.59 × 12,569.25
  4. Step 4: Simplify right side
    28,372.95x = 534,854,141.86
  5. Step 5: Solve for x
    x = 534,854,141.86/28,372.95
  6. Step 6: Final answer
    x = 18,850.85

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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.