Home / 27,214.24-40,821.36-8,747.68

Finding the Fourth Proportional to 27,214.24, 40,821.36 and 8,747.68

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Solution

The fourth proportional to 27,214.24, 40,821.36 and 8,747.68 is: 13,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,214.24 : 40,821.36 = 8,747.68 : x
  2. Step 2: Convert to fraction form
    27,214.24/40,821.36 = 8,747.68/x
  3. Step 3: Cross multiply
    27,214.24x = 40,821.36 × 8,747.68
  4. Step 4: Simplify right side
    27,214.24x = 357,092,194.44
  5. Step 5: Solve for x
    x = 357,092,194.44/27,214.24
  6. Step 6: Final answer
    x = 13,121.52

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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.