Home / 28,082.76-38,756.26-16,149.84

Finding the Fourth Proportional to 28,082.76, 38,756.26 and 16,149.84

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Solution

The fourth proportional to 28,082.76, 38,756.26 and 16,149.84 is: 22,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.76 : 38,756.26 = 16,149.84 : x
  2. Step 2: Convert to fraction form
    28,082.76/38,756.26 = 16,149.84/x
  3. Step 3: Cross multiply
    28,082.76x = 38,756.26 × 16,149.84
  4. Step 4: Simplify right side
    28,082.76x = 625,907,398.00
  5. Step 5: Solve for x
    x = 625,907,398.00/28,082.76
  6. Step 6: Final answer
    x = 22,287.96

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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.