Home / 27,653.40-41,480.10-7,930.80

Finding the Fourth Proportional to 27,653.40, 41,480.10 and 7,930.80

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Solution

The fourth proportional to 27,653.40, 41,480.10 and 7,930.80 is: 11,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.40 : 41,480.10 = 7,930.80 : x
  2. Step 2: Convert to fraction form
    27,653.40/41,480.10 = 7,930.80/x
  3. Step 3: Cross multiply
    27,653.40x = 41,480.10 × 7,930.80
  4. Step 4: Simplify right side
    27,653.40x = 328,970,377.08
  5. Step 5: Solve for x
    x = 328,970,377.08/27,653.40
  6. Step 6: Final answer
    x = 11,896.20

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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.