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Finding the Fourth Proportional to 34,997.65, 52,481.08 and 12,805.27

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Solution

The fourth proportional to 34,997.65, 52,481.08 and 12,805.27 is: 19,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,997.65 : 52,481.08 = 12,805.27 : x
  2. Step 2: Convert to fraction form
    34,997.65/52,481.08 = 12,805.27/x
  3. Step 3: Cross multiply
    34,997.65x = 52,481.08 × 12,805.27
  4. Step 4: Simplify right side
    34,997.65x = 672,034,399.29
  5. Step 5: Solve for x
    x = 672,034,399.29/34,997.65
  6. Step 6: Final answer
    x = 19,202.27

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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.