Home / 27,233.27-40,825.30-18,917.20

Finding the Fourth Proportional to 27,233.27, 40,825.30 and 18,917.20

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Solution

The fourth proportional to 27,233.27, 40,825.30 and 18,917.20 is: 28,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,233.27 : 40,825.30 = 18,917.20 : x
  2. Step 2: Convert to fraction form
    27,233.27/40,825.30 = 18,917.20/x
  3. Step 3: Cross multiply
    27,233.27x = 40,825.30 × 18,917.20
  4. Step 4: Simplify right side
    27,233.27x = 772,300,365.16
  5. Step 5: Solve for x
    x = 772,300,365.16/27,233.27
  6. Step 6: Final answer
    x = 28,358.71

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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.