Home / 21,844.64-30,083.22-19,672.70

Finding the Fourth Proportional to 21,844.64, 30,083.22 and 19,672.70

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Solution

The fourth proportional to 21,844.64, 30,083.22 and 19,672.70 is: 27,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.64 : 30,083.22 = 19,672.70 : x
  2. Step 2: Convert to fraction form
    21,844.64/30,083.22 = 19,672.70/x
  3. Step 3: Cross multiply
    21,844.64x = 30,083.22 × 19,672.70
  4. Step 4: Simplify right side
    21,844.64x = 591,818,011.68
  5. Step 5: Solve for x
    x = 591,818,011.68/21,844.64
  6. Step 6: Final answer
    x = 27,092.14

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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.