Home / 27,348.64-41,021.82-8,642.12

Finding the Fourth Proportional to 27,348.64, 41,021.82 and 8,642.12

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Solution

The fourth proportional to 27,348.64, 41,021.82 and 8,642.12 is: 12,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,348.64 : 41,021.82 = 8,642.12 : x
  2. Step 2: Convert to fraction form
    27,348.64/41,021.82 = 8,642.12/x
  3. Step 3: Cross multiply
    27,348.64x = 41,021.82 × 8,642.12
  4. Step 4: Simplify right side
    27,348.64x = 354,515,377.02
  5. Step 5: Solve for x
    x = 354,515,377.02/27,348.64
  6. Step 6: Final answer
    x = 12,962.82

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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.