Home / 27,839.69-38,419.68-15,264.44

Finding the Fourth Proportional to 27,839.69, 38,419.68 and 15,264.44

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Solution

The fourth proportional to 27,839.69, 38,419.68 and 15,264.44 is: 21,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.69 : 38,419.68 = 15,264.44 : x
  2. Step 2: Convert to fraction form
    27,839.69/38,419.68 = 15,264.44/x
  3. Step 3: Cross multiply
    27,839.69x = 38,419.68 × 15,264.44
  4. Step 4: Simplify right side
    27,839.69x = 586,454,900.18
  5. Step 5: Solve for x
    x = 586,454,900.18/27,839.69
  6. Step 6: Final answer
    x = 21,065.42

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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.