Home / 27,169.72-40,760.45-8,449.39

Finding the Fourth Proportional to 27,169.72, 40,760.45 and 8,449.39

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Solution

The fourth proportional to 27,169.72, 40,760.45 and 8,449.39 is: 12,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169.72 : 40,760.45 = 8,449.39 : x
  2. Step 2: Convert to fraction form
    27,169.72/40,760.45 = 8,449.39/x
  3. Step 3: Cross multiply
    27,169.72x = 40,760.45 × 8,449.39
  4. Step 4: Simplify right side
    27,169.72x = 344,400,896.38
  5. Step 5: Solve for x
    x = 344,400,896.38/27,169.72
  6. Step 6: Final answer
    x = 12,675.91

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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.