Home / 40,427.90-60,648.32-17,057.78

Finding the Fourth Proportional to 40,427.90, 60,648.32 and 17,057.78

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Solution

The fourth proportional to 40,427.90, 60,648.32 and 17,057.78 is: 25,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,427.90 : 60,648.32 = 17,057.78 : x
  2. Step 2: Convert to fraction form
    40,427.90/60,648.32 = 17,057.78/x
  3. Step 3: Cross multiply
    40,427.90x = 60,648.32 × 17,057.78
  4. Step 4: Simplify right side
    40,427.90x = 1,034,525,439.33
  5. Step 5: Solve for x
    x = 1,034,525,439.33/40,427.90
  6. Step 6: Final answer
    x = 25,589.40

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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.