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Finding the Fourth Proportional to 24,679.52, 34,060.08 and 13,503.20

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Solution

The fourth proportional to 24,679.52, 34,060.08 and 13,503.20 is: 18,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,679.52 : 34,060.08 = 13,503.20 : x
  2. Step 2: Convert to fraction form
    24,679.52/34,060.08 = 13,503.20/x
  3. Step 3: Cross multiply
    24,679.52x = 34,060.08 × 13,503.20
  4. Step 4: Simplify right side
    24,679.52x = 459,920,072.26
  5. Step 5: Solve for x
    x = 459,920,072.26/24,679.52
  6. Step 6: Final answer
    x = 18,635.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.