Home / 27,641.06-41,461.60-7,919.70

Finding the Fourth Proportional to 27,641.06, 41,461.60 and 7,919.70

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Solution

The fourth proportional to 27,641.06, 41,461.60 and 7,919.70 is: 11,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.06 : 41,461.60 = 7,919.70 : x
  2. Step 2: Convert to fraction form
    27,641.06/41,461.60 = 7,919.70/x
  3. Step 3: Cross multiply
    27,641.06x = 41,461.60 × 7,919.70
  4. Step 4: Simplify right side
    27,641.06x = 328,363,433.52
  5. Step 5: Solve for x
    x = 328,363,433.52/27,641.06
  6. Step 6: Final answer
    x = 11,879.55

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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.