Home / 28,758.26-43,137.39-13,175.88

Finding the Fourth Proportional to 28,758.26, 43,137.39 and 13,175.88

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Solution

The fourth proportional to 28,758.26, 43,137.39 and 13,175.88 is: 19,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.26 : 43,137.39 = 13,175.88 : x
  2. Step 2: Convert to fraction form
    28,758.26/43,137.39 = 13,175.88/x
  3. Step 3: Cross multiply
    28,758.26x = 43,137.39 × 13,175.88
  4. Step 4: Simplify right side
    28,758.26x = 568,373,074.15
  5. Step 5: Solve for x
    x = 568,373,074.15/28,758.26
  6. Step 6: Final answer
    x = 19,763.82

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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.