Home / 27,640.26-41,467.57-7,920.36

Finding the Fourth Proportional to 27,640.26, 41,467.57 and 7,920.36

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Solution

The fourth proportional to 27,640.26, 41,467.57 and 7,920.36 is: 11,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.26 : 41,467.57 = 7,920.36 : x
  2. Step 2: Convert to fraction form
    27,640.26/41,467.57 = 7,920.36/x
  3. Step 3: Cross multiply
    27,640.26x = 41,467.57 × 7,920.36
  4. Step 4: Simplify right side
    27,640.26x = 328,437,968.57
  5. Step 5: Solve for x
    x = 328,437,968.57/27,640.26
  6. Step 6: Final answer
    x = 11,882.59

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1.5x scale

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.