Home / 27,611.25-38,103.93-15,036

Finding the Fourth Proportional to 27,611.25, 38,103.93 and 15,036

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Solution

The fourth proportional to 27,611.25, 38,103.93 and 15,036 is: 20,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.25 : 38,103.93 = 15,036 : x
  2. Step 2: Convert to fraction form
    27,611.25/38,103.93 = 15,036/x
  3. Step 3: Cross multiply
    27,611.25x = 38,103.93 × 15,036
  4. Step 4: Simplify right side
    27,611.25x = 572,930,691.48
  5. Step 5: Solve for x
    x = 572,930,691.48/27,611.25
  6. Step 6: Final answer
    x = 20,749.90

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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.