Home / 28,996.16-43,500.80-15,668.88

Finding the Fourth Proportional to 28,996.16, 43,500.80 and 15,668.88

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Solution

The fourth proportional to 28,996.16, 43,500.80 and 15,668.88 is: 23,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.16 : 43,500.80 = 15,668.88 : x
  2. Step 2: Convert to fraction form
    28,996.16/43,500.80 = 15,668.88/x
  3. Step 3: Cross multiply
    28,996.16x = 43,500.80 × 15,668.88
  4. Step 4: Simplify right side
    28,996.16x = 681,608,815.10
  5. Step 5: Solve for x
    x = 681,608,815.10/28,996.16
  6. Step 6: Final answer
    x = 23,506.86

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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.