Home / 18,818.11-28,227.98-17,922.25

Finding the Fourth Proportional to 18,818.11, 28,227.98 and 17,922.25

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Solution

The fourth proportional to 18,818.11, 28,227.98 and 17,922.25 is: 26,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.11 : 28,227.98 = 17,922.25 : x
  2. Step 2: Convert to fraction form
    18,818.11/28,227.98 = 17,922.25/x
  3. Step 3: Cross multiply
    18,818.11x = 28,227.98 × 17,922.25
  4. Step 4: Simplify right side
    18,818.11x = 505,908,914.56
  5. Step 5: Solve for x
    x = 505,908,914.56/18,818.11
  6. Step 6: Final answer
    x = 26,884.15

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1.5x scale

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.