Home / 31,793.76-43,876.32-17,647.92

Finding the Fourth Proportional to 31,793.76, 43,876.32 and 17,647.92

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Solution

The fourth proportional to 31,793.76, 43,876.32 and 17,647.92 is: 24,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,793.76 : 43,876.32 = 17,647.92 : x
  2. Step 2: Convert to fraction form
    31,793.76/43,876.32 = 17,647.92/x
  3. Step 3: Cross multiply
    31,793.76x = 43,876.32 × 17,647.92
  4. Step 4: Simplify right side
    31,793.76x = 774,325,785.25
  5. Step 5: Solve for x
    x = 774,325,785.25/31,793.76
  6. Step 6: Final answer
    x = 24,354.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.