Home / 22,515.85-31,055.79-17,201.44

Finding the Fourth Proportional to 22,515.85, 31,055.79 and 17,201.44

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Solution

The fourth proportional to 22,515.85, 31,055.79 and 17,201.44 is: 23,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.85 : 31,055.79 = 17,201.44 : x
  2. Step 2: Convert to fraction form
    22,515.85/31,055.79 = 17,201.44/x
  3. Step 3: Cross multiply
    22,515.85x = 31,055.79 × 17,201.44
  4. Step 4: Simplify right side
    22,515.85x = 534,204,314.90
  5. Step 5: Solve for x
    x = 534,204,314.90/22,515.85
  6. Step 6: Final answer
    x = 23,725.70

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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.