Home / 17,876.16-26,815.52-4,728.38

Finding the Fourth Proportional to 17,876.16, 26,815.52 and 4,728.38

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Solution

The fourth proportional to 17,876.16, 26,815.52 and 4,728.38 is: 7,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.16 : 26,815.52 = 4,728.38 : x
  2. Step 2: Convert to fraction form
    17,876.16/26,815.52 = 4,728.38/x
  3. Step 3: Cross multiply
    17,876.16x = 26,815.52 × 4,728.38
  4. Step 4: Simplify right side
    17,876.16x = 126,793,846.20
  5. Step 5: Solve for x
    x = 126,793,846.20/17,876.16
  6. Step 6: Final answer
    x = 7,092.90

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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.