Home / 27,279.80-40,915.07-7,553.75

Finding the Fourth Proportional to 27,279.80, 40,915.07 and 7,553.75

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Solution

The fourth proportional to 27,279.80, 40,915.07 and 7,553.75 is: 11,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.80 : 40,915.07 = 7,553.75 : x
  2. Step 2: Convert to fraction form
    27,279.80/40,915.07 = 7,553.75/x
  3. Step 3: Cross multiply
    27,279.80x = 40,915.07 × 7,553.75
  4. Step 4: Simplify right side
    27,279.80x = 309,061,995.99
  5. Step 5: Solve for x
    x = 309,061,995.99/27,279.80
  6. Step 6: Final answer
    x = 11,329.34

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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.