Home / 20,704.67-28,573.13-11,631.62

Finding the Fourth Proportional to 20,704.67, 28,573.13 and 11,631.62

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Solution

The fourth proportional to 20,704.67, 28,573.13 and 11,631.62 is: 16,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704.67 : 28,573.13 = 11,631.62 : x
  2. Step 2: Convert to fraction form
    20,704.67/28,573.13 = 11,631.62/x
  3. Step 3: Cross multiply
    20,704.67x = 28,573.13 × 11,631.62
  4. Step 4: Simplify right side
    20,704.67x = 332,351,589.35
  5. Step 5: Solve for x
    x = 332,351,589.35/20,704.67
  6. Step 6: Final answer
    x = 16,052.01

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1.5x scale

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.