Home / 27,540.42-41,287.28-10,912.20

Finding the Fourth Proportional to 27,540.42, 41,287.28 and 10,912.20

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Solution

The fourth proportional to 27,540.42, 41,287.28 and 10,912.20 is: 16,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.42 : 41,287.28 = 10,912.20 : x
  2. Step 2: Convert to fraction form
    27,540.42/41,287.28 = 10,912.20/x
  3. Step 3: Cross multiply
    27,540.42x = 41,287.28 × 10,912.20
  4. Step 4: Simplify right side
    27,540.42x = 450,535,002.26
  5. Step 5: Solve for x
    x = 450,535,002.26/27,540.42
  6. Step 6: Final answer
    x = 16,359.05

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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.