Home / 28,383.21-42,550.07-11,732.85

Finding the Fourth Proportional to 28,383.21, 42,550.07 and 11,732.85

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Solution

The fourth proportional to 28,383.21, 42,550.07 and 11,732.85 is: 17,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.21 : 42,550.07 = 11,732.85 : x
  2. Step 2: Convert to fraction form
    28,383.21/42,550.07 = 11,732.85/x
  3. Step 3: Cross multiply
    28,383.21x = 42,550.07 × 11,732.85
  4. Step 4: Simplify right side
    28,383.21x = 499,233,530.14
  5. Step 5: Solve for x
    x = 499,233,530.14/28,383.21
  6. Step 6: Final answer
    x = 17,589.04

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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.