Home / 27,421.74-41,132.61-9,891.32

Finding the Fourth Proportional to 27,421.74, 41,132.61 and 9,891.32

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Solution

The fourth proportional to 27,421.74, 41,132.61 and 9,891.32 is: 14,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.74 : 41,132.61 = 9,891.32 : x
  2. Step 2: Convert to fraction form
    27,421.74/41,132.61 = 9,891.32/x
  3. Step 3: Cross multiply
    27,421.74x = 41,132.61 × 9,891.32
  4. Step 4: Simplify right side
    27,421.74x = 406,855,602.28
  5. Step 5: Solve for x
    x = 406,855,602.28/27,421.74
  6. Step 6: Final answer
    x = 14,836.97

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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.