Home / 26,662.32-39,986.52-7,937.28

Finding the Fourth Proportional to 26,662.32, 39,986.52 and 7,937.28

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Solution

The fourth proportional to 26,662.32, 39,986.52 and 7,937.28 is: 11,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.32 : 39,986.52 = 7,937.28 : x
  2. Step 2: Convert to fraction form
    26,662.32/39,986.52 = 7,937.28/x
  3. Step 3: Cross multiply
    26,662.32x = 39,986.52 × 7,937.28
  4. Step 4: Simplify right side
    26,662.32x = 317,384,205.47
  5. Step 5: Solve for x
    x = 317,384,205.47/26,662.32
  6. Step 6: Final answer
    x = 11,903.85

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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.