Home / 28,939.62-43,422.93-10,233.82

Finding the Fourth Proportional to 28,939.62, 43,422.93 and 10,233.82

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Solution

The fourth proportional to 28,939.62, 43,422.93 and 10,233.82 is: 15,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.62 : 43,422.93 = 10,233.82 : x
  2. Step 2: Convert to fraction form
    28,939.62/43,422.93 = 10,233.82/x
  3. Step 3: Cross multiply
    28,939.62x = 43,422.93 × 10,233.82
  4. Step 4: Simplify right side
    28,939.62x = 444,382,449.49
  5. Step 5: Solve for x
    x = 444,382,449.49/28,939.62
  6. Step 6: Final answer
    x = 15,355.51

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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.