Home / 27,851.67-38,436.30-19,912.86

Finding the Fourth Proportional to 27,851.67, 38,436.30 and 19,912.86

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Solution

The fourth proportional to 27,851.67, 38,436.30 and 19,912.86 is: 27,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.67 : 38,436.30 = 19,912.86 : x
  2. Step 2: Convert to fraction form
    27,851.67/38,436.30 = 19,912.86/x
  3. Step 3: Cross multiply
    27,851.67x = 38,436.30 × 19,912.86
  4. Step 4: Simplify right side
    27,851.67x = 765,376,660.82
  5. Step 5: Solve for x
    x = 765,376,660.82/27,851.67
  6. Step 6: Final answer
    x = 27,480.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.