Home / 27,921.57-38,551.90-17,180.91

Finding the Fourth Proportional to 27,921.57, 38,551.90 and 17,180.91

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Solution

The fourth proportional to 27,921.57, 38,551.90 and 17,180.91 is: 23,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.57 : 38,551.90 = 17,180.91 : x
  2. Step 2: Convert to fraction form
    27,921.57/38,551.90 = 17,180.91/x
  3. Step 3: Cross multiply
    27,921.57x = 38,551.90 × 17,180.91
  4. Step 4: Simplify right side
    27,921.57x = 662,356,531.47
  5. Step 5: Solve for x
    x = 662,356,531.47/27,921.57
  6. Step 6: Final answer
    x = 23,722.04

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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.