Home / 26,170.16-39,249.60-8,635.84

Finding the Fourth Proportional to 26,170.16, 39,249.60 and 8,635.84

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Solution

The fourth proportional to 26,170.16, 39,249.60 and 8,635.84 is: 12,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.16 : 39,249.60 = 8,635.84 : x
  2. Step 2: Convert to fraction form
    26,170.16/39,249.60 = 8,635.84/x
  3. Step 3: Cross multiply
    26,170.16x = 39,249.60 × 8,635.84
  4. Step 4: Simplify right side
    26,170.16x = 338,953,265.66
  5. Step 5: Solve for x
    x = 338,953,265.66/26,170.16
  6. Step 6: Final answer
    x = 12,951.90

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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.