Home / 26,195.60-39,287.76-8,661.44

Finding the Fourth Proportional to 26,195.60, 39,287.76 and 8,661.44

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Solution

The fourth proportional to 26,195.60, 39,287.76 and 8,661.44 is: 12,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,195.60 : 39,287.76 = 8,661.44 : x
  2. Step 2: Convert to fraction form
    26,195.60/39,287.76 = 8,661.44/x
  3. Step 3: Cross multiply
    26,195.60x = 39,287.76 × 8,661.44
  4. Step 4: Simplify right side
    26,195.60x = 340,288,575.97
  5. Step 5: Solve for x
    x = 340,288,575.97/26,195.60
  6. Step 6: Final answer
    x = 12,990.30

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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.