Home / 22,764.72-34,115.16-8,709.60

Finding the Fourth Proportional to 22,764.72, 34,115.16 and 8,709.60

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Solution

The fourth proportional to 22,764.72, 34,115.16 and 8,709.60 is: 13,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764.72 : 34,115.16 = 8,709.60 : x
  2. Step 2: Convert to fraction form
    22,764.72/34,115.16 = 8,709.60/x
  3. Step 3: Cross multiply
    22,764.72x = 34,115.16 × 8,709.60
  4. Step 4: Simplify right side
    22,764.72x = 297,129,397.54
  5. Step 5: Solve for x
    x = 297,129,397.54/22,764.72
  6. Step 6: Final answer
    x = 13,052.19

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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.