Home / 28,774.88-43,147.58-13,179.14

Finding the Fourth Proportional to 28,774.88, 43,147.58 and 13,179.14

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Solution

The fourth proportional to 28,774.88, 43,147.58 and 13,179.14 is: 19,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.88 : 43,147.58 = 13,179.14 : x
  2. Step 2: Convert to fraction form
    28,774.88/43,147.58 = 13,179.14/x
  3. Step 3: Cross multiply
    28,774.88x = 43,147.58 × 13,179.14
  4. Step 4: Simplify right side
    28,774.88x = 568,647,997.48
  5. Step 5: Solve for x
    x = 568,647,997.48/28,774.88
  6. Step 6: Final answer
    x = 19,761.96

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1.5x scale

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.