Home / 28,586.66-39,452.04-16,651.10

Finding the Fourth Proportional to 28,586.66, 39,452.04 and 16,651.10

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Solution

The fourth proportional to 28,586.66, 39,452.04 and 16,651.10 is: 22,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.66 : 39,452.04 = 16,651.10 : x
  2. Step 2: Convert to fraction form
    28,586.66/39,452.04 = 16,651.10/x
  3. Step 3: Cross multiply
    28,586.66x = 39,452.04 × 16,651.10
  4. Step 4: Simplify right side
    28,586.66x = 656,919,961.87
  5. Step 5: Solve for x
    x = 656,919,961.87/28,586.66
  6. Step 6: Final answer
    x = 22,979.95

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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.