Home / 28,082.24-38,753.62-15,335.70

Finding the Fourth Proportional to 28,082.24, 38,753.62 and 15,335.70

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Solution

The fourth proportional to 28,082.24, 38,753.62 and 15,335.70 is: 21,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.24 : 38,753.62 = 15,335.70 : x
  2. Step 2: Convert to fraction form
    28,082.24/38,753.62 = 15,335.70/x
  3. Step 3: Cross multiply
    28,082.24x = 38,753.62 × 15,335.70
  4. Step 4: Simplify right side
    28,082.24x = 594,313,890.23
  5. Step 5: Solve for x
    x = 594,313,890.23/28,082.24
  6. Step 6: Final answer
    x = 21,163.34

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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.