Home / 27,729.20-41,593.80-9,261.20

Finding the Fourth Proportional to 27,729.20, 41,593.80 and 9,261.20

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Solution

The fourth proportional to 27,729.20, 41,593.80 and 9,261.20 is: 13,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,729.20 : 41,593.80 = 9,261.20 : x
  2. Step 2: Convert to fraction form
    27,729.20/41,593.80 = 9,261.20/x
  3. Step 3: Cross multiply
    27,729.20x = 41,593.80 × 9,261.20
  4. Step 4: Simplify right side
    27,729.20x = 385,208,500.56
  5. Step 5: Solve for x
    x = 385,208,500.56/27,729.20
  6. Step 6: Final answer
    x = 13,891.80

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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.