Home / 25,450.40-38,144.18-18,454.43

Finding the Fourth Proportional to 25,450.40, 38,144.18 and 18,454.43

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Solution

The fourth proportional to 25,450.40, 38,144.18 and 18,454.43 is: 27,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.40 : 38,144.18 = 18,454.43 : x
  2. Step 2: Convert to fraction form
    25,450.40/38,144.18 = 18,454.43/x
  3. Step 3: Cross multiply
    25,450.40x = 38,144.18 × 18,454.43
  4. Step 4: Simplify right side
    25,450.40x = 703,928,816.72
  5. Step 5: Solve for x
    x = 703,928,816.72/25,450.40
  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.