Home / 19,229.23-28,844.61-7,388.75

Finding the Fourth Proportional to 19,229.23, 28,844.61 and 7,388.75

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Solution

The fourth proportional to 19,229.23, 28,844.61 and 7,388.75 is: 11,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.23 : 28,844.61 = 7,388.75 : x
  2. Step 2: Convert to fraction form
    19,229.23/28,844.61 = 7,388.75/x
  3. Step 3: Cross multiply
    19,229.23x = 28,844.61 × 7,388.75
  4. Step 4: Simplify right side
    19,229.23x = 213,125,656.54
  5. Step 5: Solve for x
    x = 213,125,656.54/19,229.23
  6. Step 6: Final answer
    x = 11,083.42

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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.