Home / 20,618.26-30,873.85-17,675.53

Finding the Fourth Proportional to 20,618.26, 30,873.85 and 17,675.53

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Solution

The fourth proportional to 20,618.26, 30,873.85 and 17,675.53 is: 26,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618.26 : 30,873.85 = 17,675.53 : x
  2. Step 2: Convert to fraction form
    20,618.26/30,873.85 = 17,675.53/x
  3. Step 3: Cross multiply
    20,618.26x = 30,873.85 × 17,675.53
  4. Step 4: Simplify right side
    20,618.26x = 545,711,540.52
  5. Step 5: Solve for x
    x = 545,711,540.52/20,618.26
  6. Step 6: Final answer
    x = 26,467.39

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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.