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Finding the Fourth Proportional to 15,058.59, 22,589.00 and 3,965.20

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Solution

The fourth proportional to 15,058.59, 22,589.00 and 3,965.20 is: 5,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058.59 : 22,589.00 = 3,965.20 : x
  2. Step 2: Convert to fraction form
    15,058.59/22,589.00 = 3,965.20/x
  3. Step 3: Cross multiply
    15,058.59x = 22,589.00 × 3,965.20
  4. Step 4: Simplify right side
    15,058.59x = 89,569,962.86
  5. Step 5: Solve for x
    x = 89,569,962.86/15,058.59
  6. Step 6: Final answer
    x = 5,948.10

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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.