Home / 27,421.59-41,132.40-9,891.42

Finding the Fourth Proportional to 27,421.59, 41,132.40 and 9,891.42

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Solution

The fourth proportional to 27,421.59, 41,132.40 and 9,891.42 is: 14,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.59 : 41,132.40 = 9,891.42 : x
  2. Step 2: Convert to fraction form
    27,421.59/41,132.40 = 9,891.42/x
  3. Step 3: Cross multiply
    27,421.59x = 41,132.40 × 9,891.42
  4. Step 4: Simplify right side
    27,421.59x = 406,857,844.01
  5. Step 5: Solve for x
    x = 406,857,844.01/27,421.59
  6. Step 6: Final answer
    x = 14,837.14

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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.