Home / 25,642.42-38,437.10-9,843.24

Finding the Fourth Proportional to 25,642.42, 38,437.10 and 9,843.24

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Solution

The fourth proportional to 25,642.42, 38,437.10 and 9,843.24 is: 14,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642.42 : 38,437.10 = 9,843.24 : x
  2. Step 2: Convert to fraction form
    25,642.42/38,437.10 = 9,843.24/x
  3. Step 3: Cross multiply
    25,642.42x = 38,437.10 × 9,843.24
  4. Step 4: Simplify right side
    25,642.42x = 378,345,600.20
  5. Step 5: Solve for x
    x = 378,345,600.20/25,642.42
  6. Step 6: Final answer
    x = 14,754.68

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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.