Home / 27,687.47-38,208.72-17,083.26

Finding the Fourth Proportional to 27,687.47, 38,208.72 and 17,083.26

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Solution

The fourth proportional to 27,687.47, 38,208.72 and 17,083.26 is: 23,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.47 : 38,208.72 = 17,083.26 : x
  2. Step 2: Convert to fraction form
    27,687.47/38,208.72 = 17,083.26/x
  3. Step 3: Cross multiply
    27,687.47x = 38,208.72 × 17,083.26
  4. Step 4: Simplify right side
    27,687.47x = 652,729,498.03
  5. Step 5: Solve for x
    x = 652,729,498.03/27,687.47
  6. Step 6: Final answer
    x = 23,574.91

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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.