Home / 27,922.19-38,521.71-15,979.14

Finding the Fourth Proportional to 27,922.19, 38,521.71 and 15,979.14

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Solution

The fourth proportional to 27,922.19, 38,521.71 and 15,979.14 is: 22,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.19 : 38,521.71 = 15,979.14 : x
  2. Step 2: Convert to fraction form
    27,922.19/38,521.71 = 15,979.14/x
  3. Step 3: Cross multiply
    27,922.19x = 38,521.71 × 15,979.14
  4. Step 4: Simplify right side
    27,922.19x = 615,543,797.13
  5. Step 5: Solve for x
    x = 615,543,797.13/27,922.19
  6. Step 6: Final answer
    x = 22,044.97

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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.