Home / 21,029.52-31,539.42-6,234.87

Finding the Fourth Proportional to 21,029.52, 31,539.42 and 6,234.87

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Solution

The fourth proportional to 21,029.52, 31,539.42 and 6,234.87 is: 9,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.52 : 31,539.42 = 6,234.87 : x
  2. Step 2: Convert to fraction form
    21,029.52/31,539.42 = 6,234.87/x
  3. Step 3: Cross multiply
    21,029.52x = 31,539.42 × 6,234.87
  4. Step 4: Simplify right side
    21,029.52x = 196,644,183.58
  5. Step 5: Solve for x
    x = 196,644,183.58/21,029.52
  6. Step 6: Final answer
    x = 9,350.86

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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.