Home / 26,186.97-39,286.61-8,656.80

Finding the Fourth Proportional to 26,186.97, 39,286.61 and 8,656.80

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Solution

The fourth proportional to 26,186.97, 39,286.61 and 8,656.80 is: 12,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.97 : 39,286.61 = 8,656.80 : x
  2. Step 2: Convert to fraction form
    26,186.97/39,286.61 = 8,656.80/x
  3. Step 3: Cross multiply
    26,186.97x = 39,286.61 × 8,656.80
  4. Step 4: Simplify right side
    26,186.97x = 340,096,282.16
  5. Step 5: Solve for x
    x = 340,096,282.16/26,186.97
  6. Step 6: Final answer
    x = 12,987.23

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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.