Home / 28,082.82-42,136.46-16,396.05

Finding the Fourth Proportional to 28,082.82, 42,136.46 and 16,396.05

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Solution

The fourth proportional to 28,082.82, 42,136.46 and 16,396.05 is: 24,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.82 : 42,136.46 = 16,396.05 : x
  2. Step 2: Convert to fraction form
    28,082.82/42,136.46 = 16,396.05/x
  3. Step 3: Cross multiply
    28,082.82x = 42,136.46 × 16,396.05
  4. Step 4: Simplify right side
    28,082.82x = 690,871,504.98
  5. Step 5: Solve for x
    x = 690,871,504.98/28,082.82
  6. Step 6: Final answer
    x = 24,601.22

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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.