Home / 26,787.94-40,179.81-10,146.46

Finding the Fourth Proportional to 26,787.94, 40,179.81 and 10,146.46

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Solution

The fourth proportional to 26,787.94, 40,179.81 and 10,146.46 is: 15,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.94 : 40,179.81 = 10,146.46 : x
  2. Step 2: Convert to fraction form
    26,787.94/40,179.81 = 10,146.46/x
  3. Step 3: Cross multiply
    26,787.94x = 40,179.81 × 10,146.46
  4. Step 4: Simplify right side
    26,787.94x = 407,682,834.97
  5. Step 5: Solve for x
    x = 407,682,834.97/26,787.94
  6. Step 6: Final answer
    x = 15,218.89

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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.