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Finding the Fourth Proportional to 24,442.80, 33,694.20 and 21,073.20

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Solution

The fourth proportional to 24,442.80, 33,694.20 and 21,073.20 is: 29,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,442.80 : 33,694.20 = 21,073.20 : x
  2. Step 2: Convert to fraction form
    24,442.80/33,694.20 = 21,073.20/x
  3. Step 3: Cross multiply
    24,442.80x = 33,694.20 × 21,073.20
  4. Step 4: Simplify right side
    24,442.80x = 710,044,615.44
  5. Step 5: Solve for x
    x = 710,044,615.44/24,442.80
  6. Step 6: Final answer
    x = 29,049.23

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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.