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Finding the Fourth Proportional to 22,517.39, 33,770.93 and 8,478.88

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Solution

The fourth proportional to 22,517.39, 33,770.93 and 8,478.88 is: 12,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,517.39 : 33,770.93 = 8,478.88 : x
  2. Step 2: Convert to fraction form
    22,517.39/33,770.93 = 8,478.88/x
  3. Step 3: Cross multiply
    22,517.39x = 33,770.93 × 8,478.88
  4. Step 4: Simplify right side
    22,517.39x = 286,339,536.14
  5. Step 5: Solve for x
    x = 286,339,536.14/22,517.39
  6. Step 6: Final answer
    x = 12,716.37

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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.