Home / 27,839.24-41,765.68-9,120.28

Finding the Fourth Proportional to 27,839.24, 41,765.68 and 9,120.28

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Solution

The fourth proportional to 27,839.24, 41,765.68 and 9,120.28 is: 13,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.24 : 41,765.68 = 9,120.28 : x
  2. Step 2: Convert to fraction form
    27,839.24/41,765.68 = 9,120.28/x
  3. Step 3: Cross multiply
    27,839.24x = 41,765.68 × 9,120.28
  4. Step 4: Simplify right side
    27,839.24x = 380,914,695.99
  5. Step 5: Solve for x
    x = 380,914,695.99/27,839.24
  6. Step 6: Final answer
    x = 13,682.65

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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.