Home / 28,082.49-38,754.24-16,147.95

Finding the Fourth Proportional to 28,082.49, 38,754.24 and 16,147.95

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Solution

The fourth proportional to 28,082.49, 38,754.24 and 16,147.95 is: 22,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.49 : 38,754.24 = 16,147.95 : x
  2. Step 2: Convert to fraction form
    28,082.49/38,754.24 = 16,147.95/x
  3. Step 3: Cross multiply
    28,082.49x = 38,754.24 × 16,147.95
  4. Step 4: Simplify right side
    28,082.49x = 625,801,529.81
  5. Step 5: Solve for x
    x = 625,801,529.81/28,082.49
  6. Step 6: Final answer
    x = 22,284.40

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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.