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Finding the Fourth Proportional to 24,393.60, 36,593.28 and 8,812.80

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Solution

The fourth proportional to 24,393.60, 36,593.28 and 8,812.80 is: 13,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,393.60 : 36,593.28 = 8,812.80 : x
  2. Step 2: Convert to fraction form
    24,393.60/36,593.28 = 8,812.80/x
  3. Step 3: Cross multiply
    24,393.60x = 36,593.28 × 8,812.80
  4. Step 4: Simplify right side
    24,393.60x = 322,489,257.98
  5. Step 5: Solve for x
    x = 322,489,257.98/24,393.60
  6. Step 6: Final answer
    x = 13,220.24

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1.5x scale

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.