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Finding the Fourth Proportional to 52,788.84, 79,127.36 and 24,685.28

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Solution

The fourth proportional to 52,788.84, 79,127.36 and 24,685.28 is: 37,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.84 : 79,127.36 = 24,685.28 : x
  2. Step 2: Convert to fraction form
    52,788.84/79,127.36 = 24,685.28/x
  3. Step 3: Cross multiply
    52,788.84x = 79,127.36 × 24,685.28
  4. Step 4: Simplify right side
    52,788.84x = 1,953,281,037.26
  5. Step 5: Solve for x
    x = 1,953,281,037.26/52,788.84
  6. Step 6: Final answer
    x = 37,001.78

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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.