Home / 19,988.97-27,584.60-11,036.28

Finding the Fourth Proportional to 19,988.97, 27,584.60 and 11,036.28

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Solution

The fourth proportional to 19,988.97, 27,584.60 and 11,036.28 is: 15,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.97 : 27,584.60 = 11,036.28 : x
  2. Step 2: Convert to fraction form
    19,988.97/27,584.60 = 11,036.28/x
  3. Step 3: Cross multiply
    19,988.97x = 27,584.60 × 11,036.28
  4. Step 4: Simplify right side
    19,988.97x = 304,431,369.29
  5. Step 5: Solve for x
    x = 304,431,369.29/19,988.97
  6. Step 6: Final answer
    x = 15,229.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.