Home / 26,847.73-40,272-9,318.12

Finding the Fourth Proportional to 26,847.73, 40,272 and 9,318.12

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Solution

The fourth proportional to 26,847.73, 40,272 and 9,318.12 is: 13,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,847.73 : 40,272 = 9,318.12 : x
  2. Step 2: Convert to fraction form
    26,847.73/40,272 = 9,318.12/x
  3. Step 3: Cross multiply
    26,847.73x = 40,272 × 9,318.12
  4. Step 4: Simplify right side
    26,847.73x = 375,259,328.64
  5. Step 5: Solve for x
    x = 375,259,328.64/26,847.73
  6. Step 6: Final answer
    x = 13,977.32

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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.