Home / 27,198.12-40,799.08-11,387.19

Finding the Fourth Proportional to 27,198.12, 40,799.08 and 11,387.19

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Solution

The fourth proportional to 27,198.12, 40,799.08 and 11,387.19 is: 17,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.12 : 40,799.08 = 11,387.19 : x
  2. Step 2: Convert to fraction form
    27,198.12/40,799.08 = 11,387.19/x
  3. Step 3: Cross multiply
    27,198.12x = 40,799.08 × 11,387.19
  4. Step 4: Simplify right side
    27,198.12x = 464,586,918.49
  5. Step 5: Solve for x
    x = 464,586,918.49/27,198.12
  6. Step 6: Final answer
    x = 17,081.58

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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.