Home / 26,957.31-40,448.49-10,311.84

Finding the Fourth Proportional to 26,957.31, 40,448.49 and 10,311.84

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Solution

The fourth proportional to 26,957.31, 40,448.49 and 10,311.84 is: 15,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,957.31 : 40,448.49 = 10,311.84 : x
  2. Step 2: Convert to fraction form
    26,957.31/40,448.49 = 10,311.84/x
  3. Step 3: Cross multiply
    26,957.31x = 40,448.49 × 10,311.84
  4. Step 4: Simplify right side
    26,957.31x = 417,098,357.12
  5. Step 5: Solve for x
    x = 417,098,357.12/26,957.31
  6. Step 6: Final answer
    x = 15,472.55

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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.