Home / 26,529.62-39,781.62-15,438.78

Finding the Fourth Proportional to 26,529.62, 39,781.62 and 15,438.78

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Solution

The fourth proportional to 26,529.62, 39,781.62 and 15,438.78 is: 23,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.62 : 39,781.62 = 15,438.78 : x
  2. Step 2: Convert to fraction form
    26,529.62/39,781.62 = 15,438.78/x
  3. Step 3: Cross multiply
    26,529.62x = 39,781.62 × 15,438.78
  4. Step 4: Simplify right side
    26,529.62x = 614,179,679.22
  5. Step 5: Solve for x
    x = 614,179,679.22/26,529.62
  6. Step 6: Final answer
    x = 23,150.72

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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.