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Finding the Fourth Proportional to 24,068.88, 36,102.96 and 8,486.64

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Solution

The fourth proportional to 24,068.88, 36,102.96 and 8,486.64 is: 12,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,068.88 : 36,102.96 = 8,486.64 : x
  2. Step 2: Convert to fraction form
    24,068.88/36,102.96 = 8,486.64/x
  3. Step 3: Cross multiply
    24,068.88x = 36,102.96 × 8,486.64
  4. Step 4: Simplify right side
    24,068.88x = 306,392,824.45
  5. Step 5: Solve for x
    x = 306,392,824.45/24,068.88
  6. Step 6: Final answer
    x = 12,729.83

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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.