Home / 27,417.60-41,130.72-9,891.72

Finding the Fourth Proportional to 27,417.60, 41,130.72 and 9,891.72

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Solution

The fourth proportional to 27,417.60, 41,130.72 and 9,891.72 is: 14,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.60 : 41,130.72 = 9,891.72 : x
  2. Step 2: Convert to fraction form
    27,417.60/41,130.72 = 9,891.72/x
  3. Step 3: Cross multiply
    27,417.60x = 41,130.72 × 9,891.72
  4. Step 4: Simplify right side
    27,417.60x = 406,853,565.64
  5. Step 5: Solve for x
    x = 406,853,565.64/27,417.60
  6. Step 6: Final answer
    x = 14,839.14

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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.