Home / 28,195.52-38,899.68-17,013.44

Finding the Fourth Proportional to 28,195.52, 38,899.68 and 17,013.44

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Solution

The fourth proportional to 28,195.52, 38,899.68 and 17,013.44 is: 23,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.52 : 38,899.68 = 17,013.44 : x
  2. Step 2: Convert to fraction form
    28,195.52/38,899.68 = 17,013.44/x
  3. Step 3: Cross multiply
    28,195.52x = 38,899.68 × 17,013.44
  4. Step 4: Simplify right side
    28,195.52x = 661,817,371.70
  5. Step 5: Solve for x
    x = 661,817,371.70/28,195.52
  6. Step 6: Final answer
    x = 23,472.43

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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.