Home / 22,735.43-31,375.76-13,175.63

Finding the Fourth Proportional to 22,735.43, 31,375.76 and 13,175.63

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Solution

The fourth proportional to 22,735.43, 31,375.76 and 13,175.63 is: 18,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,735.43 : 31,375.76 = 13,175.63 : x
  2. Step 2: Convert to fraction form
    22,735.43/31,375.76 = 13,175.63/x
  3. Step 3: Cross multiply
    22,735.43x = 31,375.76 × 13,175.63
  4. Step 4: Simplify right side
    22,735.43x = 413,395,181.97
  5. Step 5: Solve for x
    x = 413,395,181.97/22,735.43
  6. Step 6: Final answer
    x = 18,182.87

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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.