Home / 28,082.72-38,757.49-16,146.56

Finding the Fourth Proportional to 28,082.72, 38,757.49 and 16,146.56

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Solution

The fourth proportional to 28,082.72, 38,757.49 and 16,146.56 is: 22,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.72 : 38,757.49 = 16,146.56 : x
  2. Step 2: Convert to fraction form
    28,082.72/38,757.49 = 16,146.56/x
  3. Step 3: Cross multiply
    28,082.72x = 38,757.49 × 16,146.56
  4. Step 4: Simplify right side
    28,082.72x = 625,800,137.73
  5. Step 5: Solve for x
    x = 625,800,137.73/28,082.72
  6. Step 6: Final answer
    x = 22,284.17

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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.