Home / 26,661.32-39,964.14-10,859.54

Finding the Fourth Proportional to 26,661.32, 39,964.14 and 10,859.54

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Solution

The fourth proportional to 26,661.32, 39,964.14 and 10,859.54 is: 16,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.32 : 39,964.14 = 10,859.54 : x
  2. Step 2: Convert to fraction form
    26,661.32/39,964.14 = 10,859.54/x
  3. Step 3: Cross multiply
    26,661.32x = 39,964.14 × 10,859.54
  4. Step 4: Simplify right side
    26,661.32x = 433,992,176.90
  5. Step 5: Solve for x
    x = 433,992,176.90/26,661.32
  6. Step 6: Final answer
    x = 16,277.97

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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.