Home / 26,919.20-40,335.60-22,512.80

Finding the Fourth Proportional to 26,919.20, 40,335.60 and 22,512.80

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Solution

The fourth proportional to 26,919.20, 40,335.60 and 22,512.80 is: 33,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.20 : 40,335.60 = 22,512.80 : x
  2. Step 2: Convert to fraction form
    26,919.20/40,335.60 = 22,512.80/x
  3. Step 3: Cross multiply
    26,919.20x = 40,335.60 × 22,512.80
  4. Step 4: Simplify right side
    26,919.20x = 908,067,295.68
  5. Step 5: Solve for x
    x = 908,067,295.68/26,919.20
  6. Step 6: Final answer
    x = 33,733.07

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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.