Home / 27,820.91-41,702.20-10,279.55

Finding the Fourth Proportional to 27,820.91, 41,702.20 and 10,279.55

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Solution

The fourth proportional to 27,820.91, 41,702.20 and 10,279.55 is: 15,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.91 : 41,702.20 = 10,279.55 : x
  2. Step 2: Convert to fraction form
    27,820.91/41,702.20 = 10,279.55/x
  3. Step 3: Cross multiply
    27,820.91x = 41,702.20 × 10,279.55
  4. Step 4: Simplify right side
    27,820.91x = 428,679,850.01
  5. Step 5: Solve for x
    x = 428,679,850.01/27,820.91
  6. Step 6: Final answer
    x = 15,408.55

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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.