Home / 20,555.25-30,837.75-6,704.25

Finding the Fourth Proportional to 20,555.25, 30,837.75 and 6,704.25

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Solution

The fourth proportional to 20,555.25, 30,837.75 and 6,704.25 is: 10,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,555.25 : 30,837.75 = 6,704.25 : x
  2. Step 2: Convert to fraction form
    20,555.25/30,837.75 = 6,704.25/x
  3. Step 3: Cross multiply
    20,555.25x = 30,837.75 × 6,704.25
  4. Step 4: Simplify right side
    20,555.25x = 206,743,985.44
  5. Step 5: Solve for x
    x = 206,743,985.44/20,555.25
  6. Step 6: Final answer
    x = 10,057.97

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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.