Home / 25,449.44-38,155.70-17,108.78

Finding the Fourth Proportional to 25,449.44, 38,155.70 and 17,108.78

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Solution

The fourth proportional to 25,449.44, 38,155.70 and 17,108.78 is: 25,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.44 : 38,155.70 = 17,108.78 : x
  2. Step 2: Convert to fraction form
    25,449.44/38,155.70 = 17,108.78/x
  3. Step 3: Cross multiply
    25,449.44x = 38,155.70 × 17,108.78
  4. Step 4: Simplify right side
    25,449.44x = 652,797,329.04
  5. Step 5: Solve for x
    x = 652,797,329.04/25,449.44
  6. Step 6: Final answer
    x = 25,650.76

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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.