Home / 28,815.95-43,223.92-7,756.04

Finding the Fourth Proportional to 28,815.95, 43,223.92 and 7,756.04

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Solution

The fourth proportional to 28,815.95, 43,223.92 and 7,756.04 is: 11,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.95 : 43,223.92 = 7,756.04 : x
  2. Step 2: Convert to fraction form
    28,815.95/43,223.92 = 7,756.04/x
  3. Step 3: Cross multiply
    28,815.95x = 43,223.92 × 7,756.04
  4. Step 4: Simplify right side
    28,815.95x = 335,246,452.48
  5. Step 5: Solve for x
    x = 335,246,452.48/28,815.95
  6. Step 6: Final answer
    x = 11,634.06

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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.