Home / 18,677.27-28,020.01-5,530.67

Finding the Fourth Proportional to 18,677.27, 28,020.01 and 5,530.67

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Solution

The fourth proportional to 18,677.27, 28,020.01 and 5,530.67 is: 8,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.27 : 28,020.01 = 5,530.67 : x
  2. Step 2: Convert to fraction form
    18,677.27/28,020.01 = 5,530.67/x
  3. Step 3: Cross multiply
    18,677.27x = 28,020.01 × 5,530.67
  4. Step 4: Simplify right side
    18,677.27x = 154,969,274.78
  5. Step 5: Solve for x
    x = 154,969,274.78/18,677.27
  6. Step 6: Final answer
    x = 8,297.21

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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.