Home / 19,142.82-28,732.00-9,789.52

Finding the Fourth Proportional to 19,142.82, 28,732.00 and 9,789.52

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Solution

The fourth proportional to 19,142.82, 28,732.00 and 9,789.52 is: 14,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.82 : 28,732.00 = 9,789.52 : x
  2. Step 2: Convert to fraction form
    19,142.82/28,732.00 = 9,789.52/x
  3. Step 3: Cross multiply
    19,142.82x = 28,732.00 × 9,789.52
  4. Step 4: Simplify right side
    19,142.82x = 281,272,545.37
  5. Step 5: Solve for x
    x = 281,272,545.37/19,142.82
  6. Step 6: Final answer
    x = 14,693.37

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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.