Home / 28,957.68-43,391.16-23,112.72

Finding the Fourth Proportional to 28,957.68, 43,391.16 and 23,112.72

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Solution

The fourth proportional to 28,957.68, 43,391.16 and 23,112.72 is: 34,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.68 : 43,391.16 = 23,112.72 : x
  2. Step 2: Convert to fraction form
    28,957.68/43,391.16 = 23,112.72/x
  3. Step 3: Cross multiply
    28,957.68x = 43,391.16 × 23,112.72
  4. Step 4: Simplify right side
    28,957.68x = 1,002,887,731.56
  5. Step 5: Solve for x
    x = 1,002,887,731.56/28,957.68
  6. Step 6: Final answer
    x = 34,632.88

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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.