Home / 19,921.25-29,894.49-18,050.95

Finding the Fourth Proportional to 19,921.25, 29,894.49 and 18,050.95

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Solution

The fourth proportional to 19,921.25, 29,894.49 and 18,050.95 is: 27,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.25 : 29,894.49 = 18,050.95 : x
  2. Step 2: Convert to fraction form
    19,921.25/29,894.49 = 18,050.95/x
  3. Step 3: Cross multiply
    19,921.25x = 29,894.49 × 18,050.95
  4. Step 4: Simplify right side
    19,921.25x = 539,623,944.27
  5. Step 5: Solve for x
    x = 539,623,944.27/19,921.25
  6. Step 6: Final answer
    x = 27,087.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.