Home / 36,082.80-54,103.68-28,665.36

Finding the Fourth Proportional to 36,082.80, 54,103.68 and 28,665.36

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Solution

The fourth proportional to 36,082.80, 54,103.68 and 28,665.36 is: 42,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,082.80 : 54,103.68 = 28,665.36 : x
  2. Step 2: Convert to fraction form
    36,082.80/54,103.68 = 28,665.36/x
  3. Step 3: Cross multiply
    36,082.80x = 54,103.68 × 28,665.36
  4. Step 4: Simplify right side
    36,082.80x = 1,550,901,464.52
  5. Step 5: Solve for x
    x = 1,550,901,464.52/36,082.80
  6. Step 6: Final answer
    x = 42,981.74

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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.