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Finding the Fourth Proportional to 27,233.29, 40,825.29 and 18,917.20

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Solution

The fourth proportional to 27,233.29, 40,825.29 and 18,917.20 is: 28,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,233.29 : 40,825.29 = 18,917.20 : x
  2. Step 2: Convert to fraction form
    27,233.29/40,825.29 = 18,917.20/x
  3. Step 3: Cross multiply
    27,233.29x = 40,825.29 × 18,917.20
  4. Step 4: Simplify right side
    27,233.29x = 772,300,175.99
  5. Step 5: Solve for x
    x = 772,300,175.99/27,233.29
  6. Step 6: Final answer
    x = 28,358.68

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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.