Home / 27,265.82-40,920.60-14,121.95

Finding the Fourth Proportional to 27,265.82, 40,920.60 and 14,121.95

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Solution

The fourth proportional to 27,265.82, 40,920.60 and 14,121.95 is: 21,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.82 : 40,920.60 = 14,121.95 : x
  2. Step 2: Convert to fraction form
    27,265.82/40,920.60 = 14,121.95/x
  3. Step 3: Cross multiply
    27,265.82x = 40,920.60 × 14,121.95
  4. Step 4: Simplify right side
    27,265.82x = 577,878,745.70
  5. Step 5: Solve for x
    x = 577,878,745.70/27,265.82
  6. Step 6: Final answer
    x = 21,194.25

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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.