Home / 26,438.97-39,658.46-15,422.57

Finding the Fourth Proportional to 26,438.97, 39,658.46 and 15,422.57

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Solution

The fourth proportional to 26,438.97, 39,658.46 and 15,422.57 is: 23,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.97 : 39,658.46 = 15,422.57 : x
  2. Step 2: Convert to fraction form
    26,438.97/39,658.46 = 15,422.57/x
  3. Step 3: Cross multiply
    26,438.97x = 39,658.46 × 15,422.57
  4. Step 4: Simplify right side
    26,438.97x = 611,635,100.04
  5. Step 5: Solve for x
    x = 611,635,100.04/26,438.97
  6. Step 6: Final answer
    x = 23,133.85

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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.