Home / 28,732.73-39,651.93-17,399.81

Finding the Fourth Proportional to 28,732.73, 39,651.93 and 17,399.81

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Solution

The fourth proportional to 28,732.73, 39,651.93 and 17,399.81 is: 24,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.73 : 39,651.93 = 17,399.81 : x
  2. Step 2: Convert to fraction form
    28,732.73/39,651.93 = 17,399.81/x
  3. Step 3: Cross multiply
    28,732.73x = 39,651.93 × 17,399.81
  4. Step 4: Simplify right side
    28,732.73x = 689,936,147.26
  5. Step 5: Solve for x
    x = 689,936,147.26/28,732.73
  6. Step 6: Final answer
    x = 24,012.21

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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.