Home / 20,951.37-28,954.38-17,168.58

Finding the Fourth Proportional to 20,951.37, 28,954.38 and 17,168.58

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Solution

The fourth proportional to 20,951.37, 28,954.38 and 17,168.58 is: 23,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951.37 : 28,954.38 = 17,168.58 : x
  2. Step 2: Convert to fraction form
    20,951.37/28,954.38 = 17,168.58/x
  3. Step 3: Cross multiply
    20,951.37x = 28,954.38 × 17,168.58
  4. Step 4: Simplify right side
    20,951.37x = 497,105,589.38
  5. Step 5: Solve for x
    x = 497,105,589.38/20,951.37
  6. Step 6: Final answer
    x = 23,726.64

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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.