Home / 28,797.84-43,149.12-13,181.04

Finding the Fourth Proportional to 28,797.84, 43,149.12 and 13,181.04

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Solution

The fourth proportional to 28,797.84, 43,149.12 and 13,181.04 is: 19,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.84 : 43,149.12 = 13,181.04 : x
  2. Step 2: Convert to fraction form
    28,797.84/43,149.12 = 13,181.04/x
  3. Step 3: Cross multiply
    28,797.84x = 43,149.12 × 13,181.04
  4. Step 4: Simplify right side
    28,797.84x = 568,750,276.68
  5. Step 5: Solve for x
    x = 568,750,276.68/28,797.84
  6. Step 6: Final answer
    x = 19,749.75

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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.