Home / 26,261.91-39,393.20-8,731.73

Finding the Fourth Proportional to 26,261.91, 39,393.20 and 8,731.73

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Solution

The fourth proportional to 26,261.91, 39,393.20 and 8,731.73 is: 13,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,261.91 : 39,393.20 = 8,731.73 : x
  2. Step 2: Convert to fraction form
    26,261.91/39,393.20 = 8,731.73/x
  3. Step 3: Cross multiply
    26,261.91x = 39,393.20 × 8,731.73
  4. Step 4: Simplify right side
    26,261.91x = 343,970,964.04
  5. Step 5: Solve for x
    x = 343,970,964.04/26,261.91
  6. Step 6: Final answer
    x = 13,097.72

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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.