Home / 26,732.92-40,025.40-20,139.52

Finding the Fourth Proportional to 26,732.92, 40,025.40 and 20,139.52

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Solution

The fourth proportional to 26,732.92, 40,025.40 and 20,139.52 is: 30,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,732.92 : 40,025.40 = 20,139.52 : x
  2. Step 2: Convert to fraction form
    26,732.92/40,025.40 = 20,139.52/x
  3. Step 3: Cross multiply
    26,732.92x = 40,025.40 × 20,139.52
  4. Step 4: Simplify right side
    26,732.92x = 806,092,343.81
  5. Step 5: Solve for x
    x = 806,092,343.81/26,732.92
  6. Step 6: Final answer
    x = 30,153.55

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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.