Home / 26,854.68-40,287.60-8,135.76

Finding the Fourth Proportional to 26,854.68, 40,287.60 and 8,135.76

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Solution

The fourth proportional to 26,854.68, 40,287.60 and 8,135.76 is: 12,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.68 : 40,287.60 = 8,135.76 : x
  2. Step 2: Convert to fraction form
    26,854.68/40,287.60 = 8,135.76/x
  3. Step 3: Cross multiply
    26,854.68x = 40,287.60 × 8,135.76
  4. Step 4: Simplify right side
    26,854.68x = 327,770,244.58
  5. Step 5: Solve for x
    x = 327,770,244.58/26,854.68
  6. Step 6: Final answer
    x = 12,205.33

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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.