Home / 28,990.44-43,452.06-13,375.56

Finding the Fourth Proportional to 28,990.44, 43,452.06 and 13,375.56

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Solution

The fourth proportional to 28,990.44, 43,452.06 and 13,375.56 is: 20,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.44 : 43,452.06 = 13,375.56 : x
  2. Step 2: Convert to fraction form
    28,990.44/43,452.06 = 13,375.56/x
  3. Step 3: Cross multiply
    28,990.44x = 43,452.06 × 13,375.56
  4. Step 4: Simplify right side
    28,990.44x = 581,195,635.65
  5. Step 5: Solve for x
    x = 581,195,635.65/28,990.44
  6. Step 6: Final answer
    x = 20,047.84

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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.