Home / 23,375.76-34,975.80-13,981.20

Finding the Fourth Proportional to 23,375.76, 34,975.80 and 13,981.20

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Solution

The fourth proportional to 23,375.76, 34,975.80 and 13,981.20 is: 20,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,375.76 : 34,975.80 = 13,981.20 : x
  2. Step 2: Convert to fraction form
    23,375.76/34,975.80 = 13,981.20/x
  3. Step 3: Cross multiply
    23,375.76x = 34,975.80 × 13,981.20
  4. Step 4: Simplify right side
    23,375.76x = 489,003,654.96
  5. Step 5: Solve for x
    x = 489,003,654.96/23,375.76
  6. Step 6: Final answer
    x = 20,919.26

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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.