Home / 22,522.24-33,786.40-21,278.69

Finding the Fourth Proportional to 22,522.24, 33,786.40 and 21,278.69

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Solution

The fourth proportional to 22,522.24, 33,786.40 and 21,278.69 is: 31,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.24 : 33,786.40 = 21,278.69 : x
  2. Step 2: Convert to fraction form
    22,522.24/33,786.40 = 21,278.69/x
  3. Step 3: Cross multiply
    22,522.24x = 33,786.40 × 21,278.69
  4. Step 4: Simplify right side
    22,522.24x = 718,930,331.82
  5. Step 5: Solve for x
    x = 718,930,331.82/22,522.24
  6. Step 6: Final answer
    x = 31,920.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.