Home / 28,729.66-43,083.82-10,004.89

Finding the Fourth Proportional to 28,729.66, 43,083.82 and 10,004.89

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Solution

The fourth proportional to 28,729.66, 43,083.82 and 10,004.89 is: 15,003.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.66 : 43,083.82 = 10,004.89 : x
  2. Step 2: Convert to fraction form
    28,729.66/43,083.82 = 10,004.89/x
  3. Step 3: Cross multiply
    28,729.66x = 43,083.82 × 10,004.89
  4. Step 4: Simplify right side
    28,729.66x = 431,048,879.88
  5. Step 5: Solve for x
    x = 431,048,879.88/28,729.66
  6. Step 6: Final answer
    x = 15,003.62

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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.