Home / 28,738.80-43,082.55-11,204.55

Finding the Fourth Proportional to 28,738.80, 43,082.55 and 11,204.55

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Solution

The fourth proportional to 28,738.80, 43,082.55 and 11,204.55 is: 16,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.80 : 43,082.55 = 11,204.55 : x
  2. Step 2: Convert to fraction form
    28,738.80/43,082.55 = 11,204.55/x
  3. Step 3: Cross multiply
    28,738.80x = 43,082.55 × 11,204.55
  4. Step 4: Simplify right side
    28,738.80x = 482,720,585.60
  5. Step 5: Solve for x
    x = 482,720,585.60/28,738.80
  6. Step 6: Final answer
    x = 16,796.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.