Home / 25,374.24-38,084.46-13,538.06

Finding the Fourth Proportional to 25,374.24, 38,084.46 and 13,538.06

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Solution

The fourth proportional to 25,374.24, 38,084.46 and 13,538.06 is: 20,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.24 : 38,084.46 = 13,538.06 : x
  2. Step 2: Convert to fraction form
    25,374.24/38,084.46 = 13,538.06/x
  3. Step 3: Cross multiply
    25,374.24x = 38,084.46 × 13,538.06
  4. Step 4: Simplify right side
    25,374.24x = 515,589,704.55
  5. Step 5: Solve for x
    x = 515,589,704.55/25,374.24
  6. Step 6: Final answer
    x = 20,319.41

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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.