Home / 31,288.38-43,177.60-16,947.94

Finding the Fourth Proportional to 31,288.38, 43,177.60 and 16,947.94

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Solution

The fourth proportional to 31,288.38, 43,177.60 and 16,947.94 is: 23,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.38 : 43,177.60 = 16,947.94 : x
  2. Step 2: Convert to fraction form
    31,288.38/43,177.60 = 16,947.94/x
  3. Step 3: Cross multiply
    31,288.38x = 43,177.60 × 16,947.94
  4. Step 4: Simplify right side
    31,288.38x = 731,771,158.26
  5. Step 5: Solve for x
    x = 731,771,158.26/31,288.38
  6. Step 6: Final answer
    x = 23,387.96

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1.5x scale

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.