Home / 27,364.68-41,067-21,140.28

Finding the Fourth Proportional to 27,364.68, 41,067 and 21,140.28

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Solution

The fourth proportional to 27,364.68, 41,067 and 21,140.28 is: 31,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,364.68 : 41,067 = 21,140.28 : x
  2. Step 2: Convert to fraction form
    27,364.68/41,067 = 21,140.28/x
  3. Step 3: Cross multiply
    27,364.68x = 41,067 × 21,140.28
  4. Step 4: Simplify right side
    27,364.68x = 868,167,878.76
  5. Step 5: Solve for x
    x = 868,167,878.76/27,364.68
  6. Step 6: Final answer
    x = 31,725.86

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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.