Home / 26,968.28-40,470.42-9,438.11

Finding the Fourth Proportional to 26,968.28, 40,470.42 and 9,438.11

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Solution

The fourth proportional to 26,968.28, 40,470.42 and 9,438.11 is: 14,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,968.28 : 40,470.42 = 9,438.11 : x
  2. Step 2: Convert to fraction form
    26,968.28/40,470.42 = 9,438.11/x
  3. Step 3: Cross multiply
    26,968.28x = 40,470.42 × 9,438.11
  4. Step 4: Simplify right side
    26,968.28x = 381,964,376.88
  5. Step 5: Solve for x
    x = 381,964,376.88/26,968.28
  6. Step 6: Final answer
    x = 14,163.47

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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.