Home / 21,704.95-32,528.67-11,174.55

Finding the Fourth Proportional to 21,704.95, 32,528.67 and 11,174.55

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Solution

The fourth proportional to 21,704.95, 32,528.67 and 11,174.55 is: 16,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.95 : 32,528.67 = 11,174.55 : x
  2. Step 2: Convert to fraction form
    21,704.95/32,528.67 = 11,174.55/x
  3. Step 3: Cross multiply
    21,704.95x = 32,528.67 × 11,174.55
  4. Step 4: Simplify right side
    21,704.95x = 363,493,249.35
  5. Step 5: Solve for x
    x = 363,493,249.35/21,704.95
  6. Step 6: Final answer
    x = 16,747.02

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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.