Home / 20,447.52-28,331.43-20,004.66

Finding the Fourth Proportional to 20,447.52, 28,331.43 and 20,004.66

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Solution

The fourth proportional to 20,447.52, 28,331.43 and 20,004.66 is: 27,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447.52 : 28,331.43 = 20,004.66 : x
  2. Step 2: Convert to fraction form
    20,447.52/28,331.43 = 20,004.66/x
  3. Step 3: Cross multiply
    20,447.52x = 28,331.43 × 20,004.66
  4. Step 4: Simplify right side
    20,447.52x = 566,760,624.46
  5. Step 5: Solve for x
    x = 566,760,624.46/20,447.52
  6. Step 6: Final answer
    x = 27,717.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.