Home / 18,701.92-25,942.07-18,072.55

Finding the Fourth Proportional to 18,701.92, 25,942.07 and 18,072.55

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Solution

The fourth proportional to 18,701.92, 25,942.07 and 18,072.55 is: 25,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.92 : 25,942.07 = 18,072.55 : x
  2. Step 2: Convert to fraction form
    18,701.92/25,942.07 = 18,072.55/x
  3. Step 3: Cross multiply
    18,701.92x = 25,942.07 × 18,072.55
  4. Step 4: Simplify right side
    18,701.92x = 468,839,357.18
  5. Step 5: Solve for x
    x = 468,839,357.18/18,701.92
  6. Step 6: Final answer
    x = 25,069.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.