Home / 57,213.26-85,825.43-17,759.78

Finding the Fourth Proportional to 57,213.26, 85,825.43 and 17,759.78

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Solution

The fourth proportional to 57,213.26, 85,825.43 and 17,759.78 is: 26,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,213.26 : 85,825.43 = 17,759.78 : x
  2. Step 2: Convert to fraction form
    57,213.26/85,825.43 = 17,759.78/x
  3. Step 3: Cross multiply
    57,213.26x = 85,825.43 × 17,759.78
  4. Step 4: Simplify right side
    57,213.26x = 1,524,240,237.28
  5. Step 5: Solve for x
    x = 1,524,240,237.28/57,213.26
  6. Step 6: Final answer
    x = 26,641.38

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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.