Home / 27,619.40-41,418.30-10,080.20

Finding the Fourth Proportional to 27,619.40, 41,418.30 and 10,080.20

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Solution

The fourth proportional to 27,619.40, 41,418.30 and 10,080.20 is: 15,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.40 : 41,418.30 = 10,080.20 : x
  2. Step 2: Convert to fraction form
    27,619.40/41,418.30 = 10,080.20/x
  3. Step 3: Cross multiply
    27,619.40x = 41,418.30 × 10,080.20
  4. Step 4: Simplify right side
    27,619.40x = 417,504,747.66
  5. Step 5: Solve for x
    x = 417,504,747.66/27,619.40
  6. Step 6: Final answer
    x = 15,116.36

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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.