Home / 20,233.12-27,943.32-18,034.24

Finding the Fourth Proportional to 20,233.12, 27,943.32 and 18,034.24

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Solution

The fourth proportional to 20,233.12, 27,943.32 and 18,034.24 is: 24,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.12 : 27,943.32 = 18,034.24 : x
  2. Step 2: Convert to fraction form
    20,233.12/27,943.32 = 18,034.24/x
  3. Step 3: Cross multiply
    20,233.12x = 27,943.32 × 18,034.24
  4. Step 4: Simplify right side
    20,233.12x = 503,936,539.28
  5. Step 5: Solve for x
    x = 503,936,539.28/20,233.12
  6. Step 6: Final answer
    x = 24,906.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.