Home / 38,376.44-57,589.16-18,644.24

Finding the Fourth Proportional to 38,376.44, 57,589.16 and 18,644.24

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Solution

The fourth proportional to 38,376.44, 57,589.16 and 18,644.24 is: 27,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.44 : 57,589.16 = 18,644.24 : x
  2. Step 2: Convert to fraction form
    38,376.44/57,589.16 = 18,644.24/x
  3. Step 3: Cross multiply
    38,376.44x = 57,589.16 × 18,644.24
  4. Step 4: Simplify right side
    38,376.44x = 1,073,705,739.27
  5. Step 5: Solve for x
    x = 1,073,705,739.27/38,376.44
  6. Step 6: Final answer
    x = 27,978.26

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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.