Home / 28,731.11-43,098.48-10,010.39

Finding the Fourth Proportional to 28,731.11, 43,098.48 and 10,010.39

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Solution

The fourth proportional to 28,731.11, 43,098.48 and 10,010.39 is: 15,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.11 : 43,098.48 = 10,010.39 : x
  2. Step 2: Convert to fraction form
    28,731.11/43,098.48 = 10,010.39/x
  3. Step 3: Cross multiply
    28,731.11x = 43,098.48 × 10,010.39
  4. Step 4: Simplify right side
    28,731.11x = 431,432,377.71
  5. Step 5: Solve for x
    x = 431,432,377.71/28,731.11
  6. Step 6: Final answer
    x = 15,016.21

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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.