Home / 27,722.62-38,258.79-17,112.43

Finding the Fourth Proportional to 27,722.62, 38,258.79 and 17,112.43

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Solution

The fourth proportional to 27,722.62, 38,258.79 and 17,112.43 is: 23,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.62 : 38,258.79 = 17,112.43 : x
  2. Step 2: Convert to fraction form
    27,722.62/38,258.79 = 17,112.43/x
  3. Step 3: Cross multiply
    27,722.62x = 38,258.79 × 17,112.43
  4. Step 4: Simplify right side
    27,722.62x = 654,700,865.76
  5. Step 5: Solve for x
    x = 654,700,865.76/27,722.62
  6. Step 6: Final answer
    x = 23,616.13

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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.