Home / 38,516.20-57,712.20-21,826.60

Finding the Fourth Proportional to 38,516.20, 57,712.20 and 21,826.60

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Solution

The fourth proportional to 38,516.20, 57,712.20 and 21,826.60 is: 32,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.20 : 57,712.20 = 21,826.60 : x
  2. Step 2: Convert to fraction form
    38,516.20/57,712.20 = 21,826.60/x
  3. Step 3: Cross multiply
    38,516.20x = 57,712.20 × 21,826.60
  4. Step 4: Simplify right side
    38,516.20x = 1,259,661,104.52
  5. Step 5: Solve for x
    x = 1,259,661,104.52/38,516.20
  6. Step 6: Final answer
    x = 32,704.71

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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.