Home / 25,450.38-38,144.19-18,454.41

Finding the Fourth Proportional to 25,450.38, 38,144.19 and 18,454.41

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Solution

The fourth proportional to 25,450.38, 38,144.19 and 18,454.41 is: 27,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.38 : 38,144.19 = 18,454.41 : x
  2. Step 2: Convert to fraction form
    25,450.38/38,144.19 = 18,454.41/x
  3. Step 3: Cross multiply
    25,450.38x = 38,144.19 × 18,454.41
  4. Step 4: Simplify right side
    25,450.38x = 703,928,521.38
  5. Step 5: Solve for x
    x = 703,928,521.38/25,450.38
  6. Step 6: Final answer
    x = 27,658.86

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1.5x scale

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.