Home / 26,261.76-39,387.52-7,793.92

Finding the Fourth Proportional to 26,261.76, 39,387.52 and 7,793.92

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Solution

The fourth proportional to 26,261.76, 39,387.52 and 7,793.92 is: 11,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,261.76 : 39,387.52 = 7,793.92 : x
  2. Step 2: Convert to fraction form
    26,261.76/39,387.52 = 7,793.92/x
  3. Step 3: Cross multiply
    26,261.76x = 39,387.52 × 7,793.92
  4. Step 4: Simplify right side
    26,261.76x = 306,983,179.88
  5. Step 5: Solve for x
    x = 306,983,179.88/26,261.76
  6. Step 6: Final answer
    x = 11,689.36

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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.