Home / 27,837.20-41,760.40-13,797.88

Finding the Fourth Proportional to 27,837.20, 41,760.40 and 13,797.88

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Solution

The fourth proportional to 27,837.20, 41,760.40 and 13,797.88 is: 20,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,837.20 : 41,760.40 = 13,797.88 : x
  2. Step 2: Convert to fraction form
    27,837.20/41,760.40 = 13,797.88/x
  3. Step 3: Cross multiply
    27,837.20x = 41,760.40 × 13,797.88
  4. Step 4: Simplify right side
    27,837.20x = 576,204,987.95
  5. Step 5: Solve for x
    x = 576,204,987.95/27,837.20
  6. Step 6: Final answer
    x = 20,699.10

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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.