Home / 22,360.20-30,888.57-21,179.22

Finding the Fourth Proportional to 22,360.20, 30,888.57 and 21,179.22

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Solution

The fourth proportional to 22,360.20, 30,888.57 and 21,179.22 is: 29,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.20 : 30,888.57 = 21,179.22 : x
  2. Step 2: Convert to fraction form
    22,360.20/30,888.57 = 21,179.22/x
  3. Step 3: Cross multiply
    22,360.20x = 30,888.57 × 21,179.22
  4. Step 4: Simplify right side
    22,360.20x = 654,195,819.52
  5. Step 5: Solve for x
    x = 654,195,819.52/22,360.20
  6. Step 6: Final answer
    x = 29,257.15

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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.