Home / 21,747.21-29,944.41-19,042.95

Finding the Fourth Proportional to 21,747.21, 29,944.41 and 19,042.95

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Solution

The fourth proportional to 21,747.21, 29,944.41 and 19,042.95 is: 26,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.21 : 29,944.41 = 19,042.95 : x
  2. Step 2: Convert to fraction form
    21,747.21/29,944.41 = 19,042.95/x
  3. Step 3: Cross multiply
    21,747.21x = 29,944.41 × 19,042.95
  4. Step 4: Simplify right side
    21,747.21x = 570,229,902.41
  5. Step 5: Solve for x
    x = 570,229,902.41/21,747.21
  6. Step 6: Final answer
    x = 26,220.83

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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.