Home / 38,122.25-57,190.96-11,826

Finding the Fourth Proportional to 38,122.25, 57,190.96 and 11,826

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Solution

The fourth proportional to 38,122.25, 57,190.96 and 11,826 is: 17,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122.25 : 57,190.96 = 11,826 : x
  2. Step 2: Convert to fraction form
    38,122.25/57,190.96 = 11,826/x
  3. Step 3: Cross multiply
    38,122.25x = 57,190.96 × 11,826
  4. Step 4: Simplify right side
    38,122.25x = 676,340,307.74
  5. Step 5: Solve for x
    x = 676,340,307.74/38,122.25
  6. Step 6: Final answer
    x = 17,741.36

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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.