Home / 28,735.66-43,082.02-19,825.57

Finding the Fourth Proportional to 28,735.66, 43,082.02 and 19,825.57

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Solution

The fourth proportional to 28,735.66, 43,082.02 and 19,825.57 is: 29,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.66 : 43,082.02 = 19,825.57 : x
  2. Step 2: Convert to fraction form
    28,735.66/43,082.02 = 19,825.57/x
  3. Step 3: Cross multiply
    28,735.66x = 43,082.02 × 19,825.57
  4. Step 4: Simplify right side
    28,735.66x = 854,125,616.01
  5. Step 5: Solve for x
    x = 854,125,616.01/28,735.66
  6. Step 6: Final answer
    x = 29,723.54

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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.