Home / 28,719.24-43,062.66-11,168.97

Finding the Fourth Proportional to 28,719.24, 43,062.66 and 11,168.97

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Solution

The fourth proportional to 28,719.24, 43,062.66 and 11,168.97 is: 16,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.24 : 43,062.66 = 11,168.97 : x
  2. Step 2: Convert to fraction form
    28,719.24/43,062.66 = 11,168.97/x
  3. Step 3: Cross multiply
    28,719.24x = 43,062.66 × 11,168.97
  4. Step 4: Simplify right side
    28,719.24x = 480,965,557.66
  5. Step 5: Solve for x
    x = 480,965,557.66/28,719.24
  6. Step 6: Final answer
    x = 16,747.15

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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.