Home / 28,906.38-43,359.60-11,366.64

Finding the Fourth Proportional to 28,906.38, 43,359.60 and 11,366.64

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Solution

The fourth proportional to 28,906.38, 43,359.60 and 11,366.64 is: 17,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.38 : 43,359.60 = 11,366.64 : x
  2. Step 2: Convert to fraction form
    28,906.38/43,359.60 = 11,366.64/x
  3. Step 3: Cross multiply
    28,906.38x = 43,359.60 × 11,366.64
  4. Step 4: Simplify right side
    28,906.38x = 492,852,963.74
  5. Step 5: Solve for x
    x = 492,852,963.74/28,906.38
  6. Step 6: Final answer
    x = 17,049.97

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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.