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Finding the Fourth Proportional to 24,647.01, 34,011.79 and 15,102.78

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Solution

The fourth proportional to 24,647.01, 34,011.79 and 15,102.78 is: 20,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,647.01 : 34,011.79 = 15,102.78 : x
  2. Step 2: Convert to fraction form
    24,647.01/34,011.79 = 15,102.78/x
  3. Step 3: Cross multiply
    24,647.01x = 34,011.79 × 15,102.78
  4. Step 4: Simplify right side
    24,647.01x = 513,672,581.78
  5. Step 5: Solve for x
    x = 513,672,581.78/24,647.01
  6. Step 6: Final answer
    x = 20,841.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.