Home / 27,791.25-38,344.35-15,850.23

Finding the Fourth Proportional to 27,791.25, 38,344.35 and 15,850.23

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Solution

The fourth proportional to 27,791.25, 38,344.35 and 15,850.23 is: 21,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.25 : 38,344.35 = 15,850.23 : x
  2. Step 2: Convert to fraction form
    27,791.25/38,344.35 = 15,850.23/x
  3. Step 3: Cross multiply
    27,791.25x = 38,344.35 × 15,850.23
  4. Step 4: Simplify right side
    27,791.25x = 607,766,766.70
  5. Step 5: Solve for x
    x = 607,766,766.70/27,791.25
  6. Step 6: Final answer
    x = 21,869.00

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1.5x scale

Why These Related Problems?

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