Home / 22,272.36-33,577-21,066.78

Finding the Fourth Proportional to 22,272.36, 33,577 and 21,066.78

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Solution

The fourth proportional to 22,272.36, 33,577 and 21,066.78 is: 31,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.36 : 33,577 = 21,066.78 : x
  2. Step 2: Convert to fraction form
    22,272.36/33,577 = 21,066.78/x
  3. Step 3: Cross multiply
    22,272.36x = 33,577 × 21,066.78
  4. Step 4: Simplify right side
    22,272.36x = 707,359,272.06
  5. Step 5: Solve for x
    x = 707,359,272.06/22,272.36
  6. Step 6: Final answer
    x = 31,759.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.