Home / 22,906.26-31,373.73-21,561.30

Finding the Fourth Proportional to 22,906.26, 31,373.73 and 21,561.30

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Solution

The fourth proportional to 22,906.26, 31,373.73 and 21,561.30 is: 29,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906.26 : 31,373.73 = 21,561.30 : x
  2. Step 2: Convert to fraction form
    22,906.26/31,373.73 = 21,561.30/x
  3. Step 3: Cross multiply
    22,906.26x = 31,373.73 × 21,561.30
  4. Step 4: Simplify right side
    22,906.26x = 676,458,404.65
  5. Step 5: Solve for x
    x = 676,458,404.65/22,906.26
  6. Step 6: Final answer
    x = 29,531.60

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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.