Home / 42,228.72-63,327.16-17,255.44

Finding the Fourth Proportional to 42,228.72, 63,327.16 and 17,255.44

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Solution

The fourth proportional to 42,228.72, 63,327.16 and 17,255.44 is: 25,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228.72 : 63,327.16 = 17,255.44 : x
  2. Step 2: Convert to fraction form
    42,228.72/63,327.16 = 17,255.44/x
  3. Step 3: Cross multiply
    42,228.72x = 63,327.16 × 17,255.44
  4. Step 4: Simplify right side
    42,228.72x = 1,092,738,009.75
  5. Step 5: Solve for x
    x = 1,092,738,009.75/42,228.72
  6. Step 6: Final answer
    x = 25,876.65

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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.