Home / 27,919.38-41,862.67-11,279.94

Finding the Fourth Proportional to 27,919.38, 41,862.67 and 11,279.94

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Solution

The fourth proportional to 27,919.38, 41,862.67 and 11,279.94 is: 16,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.38 : 41,862.67 = 11,279.94 : x
  2. Step 2: Convert to fraction form
    27,919.38/41,862.67 = 11,279.94/x
  3. Step 3: Cross multiply
    27,919.38x = 41,862.67 × 11,279.94
  4. Step 4: Simplify right side
    27,919.38x = 472,208,405.84
  5. Step 5: Solve for x
    x = 472,208,405.84/27,919.38
  6. Step 6: Final answer
    x = 16,913.28

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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.