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Finding the Fourth Proportional to 52,886.88, 79,337.73 and 15,449.70

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Solution

The fourth proportional to 52,886.88, 79,337.73 and 15,449.70 is: 23,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886.88 : 79,337.73 = 15,449.70 : x
  2. Step 2: Convert to fraction form
    52,886.88/79,337.73 = 15,449.70/x
  3. Step 3: Cross multiply
    52,886.88x = 79,337.73 × 15,449.70
  4. Step 4: Simplify right side
    52,886.88x = 1,225,744,127.18
  5. Step 5: Solve for x
    x = 1,225,744,127.18/52,886.88
  6. Step 6: Final answer
    x = 23,176.71

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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.