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Finding the Fourth Proportional to 22,332.17, 30,832.82 and 13,843.32

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Solution

The fourth proportional to 22,332.17, 30,832.82 and 13,843.32 is: 19,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.17 : 30,832.82 = 13,843.32 : x
  2. Step 2: Convert to fraction form
    22,332.17/30,832.82 = 13,843.32/x
  3. Step 3: Cross multiply
    22,332.17x = 30,832.82 × 13,843.32
  4. Step 4: Simplify right side
    22,332.17x = 426,828,634.27
  5. Step 5: Solve for x
    x = 426,828,634.27/22,332.17
  6. Step 6: Final answer
    x = 19,112.72

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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.