Home / 27,821.39-38,395.17-17,067.47

Finding the Fourth Proportional to 27,821.39, 38,395.17 and 17,067.47

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Solution

The fourth proportional to 27,821.39, 38,395.17 and 17,067.47 is: 23,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.39 : 38,395.17 = 17,067.47 : x
  2. Step 2: Convert to fraction form
    27,821.39/38,395.17 = 17,067.47/x
  3. Step 3: Cross multiply
    27,821.39x = 38,395.17 × 17,067.47
  4. Step 4: Simplify right side
    27,821.39x = 655,308,220.14
  5. Step 5: Solve for x
    x = 655,308,220.14/27,821.39
  6. Step 6: Final answer
    x = 23,554.12

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1.5x scale

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.