Home / 22,422.11-30,718.43-21,581.33

Finding the Fourth Proportional to 22,422.11, 30,718.43 and 21,581.33

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Solution

The fourth proportional to 22,422.11, 30,718.43 and 21,581.33 is: 29,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.11 : 30,718.43 = 21,581.33 : x
  2. Step 2: Convert to fraction form
    22,422.11/30,718.43 = 21,581.33/x
  3. Step 3: Cross multiply
    22,422.11x = 30,718.43 × 21,581.33
  4. Step 4: Simplify right side
    22,422.11x = 662,944,515.74
  5. Step 5: Solve for x
    x = 662,944,515.74/22,422.11
  6. Step 6: Final answer
    x = 29,566.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.