Home / 27,309.50-40,968.94-12,519.69

Finding the Fourth Proportional to 27,309.50, 40,968.94 and 12,519.69

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Solution

The fourth proportional to 27,309.50, 40,968.94 and 12,519.69 is: 18,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.50 : 40,968.94 = 12,519.69 : x
  2. Step 2: Convert to fraction form
    27,309.50/40,968.94 = 12,519.69/x
  3. Step 3: Cross multiply
    27,309.50x = 40,968.94 × 12,519.69
  4. Step 4: Simplify right side
    27,309.50x = 512,918,382.20
  5. Step 5: Solve for x
    x = 512,918,382.20/27,309.50
  6. Step 6: Final answer
    x = 18,781.68

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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.