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Finding the Fourth Proportional to 27,797.70, 38,360.78 and 15,222.44

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Solution

The fourth proportional to 27,797.70, 38,360.78 and 15,222.44 is: 21,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,797.70 : 38,360.78 = 15,222.44 : x
  2. Step 2: Convert to fraction form
    27,797.70/38,360.78 = 15,222.44/x
  3. Step 3: Cross multiply
    27,797.70x = 38,360.78 × 15,222.44
  4. Step 4: Simplify right side
    27,797.70x = 583,944,671.90
  5. Step 5: Solve for x
    x = 583,944,671.90/27,797.70
  6. Step 6: Final answer
    x = 21,006.94

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