Home / 28,993.18-43,489.97-7,932.77

Finding the Fourth Proportional to 28,993.18, 43,489.97 and 7,932.77

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Solution

The fourth proportional to 28,993.18, 43,489.97 and 7,932.77 is: 11,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.18 : 43,489.97 = 7,932.77 : x
  2. Step 2: Convert to fraction form
    28,993.18/43,489.97 = 7,932.77/x
  3. Step 3: Cross multiply
    28,993.18x = 43,489.97 × 7,932.77
  4. Step 4: Simplify right side
    28,993.18x = 344,995,889.65
  5. Step 5: Solve for x
    x = 344,995,889.65/28,993.18
  6. Step 6: Final answer
    x = 11,899.21

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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.