Home / 18,799.52-28,212.04-10,040.72

Finding the Fourth Proportional to 18,799.52, 28,212.04 and 10,040.72

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Solution

The fourth proportional to 18,799.52, 28,212.04 and 10,040.72 is: 15,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.52 : 28,212.04 = 10,040.72 : x
  2. Step 2: Convert to fraction form
    18,799.52/28,212.04 = 10,040.72/x
  3. Step 3: Cross multiply
    18,799.52x = 28,212.04 × 10,040.72
  4. Step 4: Simplify right side
    18,799.52x = 283,269,194.27
  5. Step 5: Solve for x
    x = 283,269,194.27/18,799.52
  6. Step 6: Final answer
    x = 15,067.90

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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.