Home / 26,650.71-39,971.25-6,928.05

Finding the Fourth Proportional to 26,650.71, 39,971.25 and 6,928.05

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Solution

The fourth proportional to 26,650.71, 39,971.25 and 6,928.05 is: 10,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.71 : 39,971.25 = 6,928.05 : x
  2. Step 2: Convert to fraction form
    26,650.71/39,971.25 = 6,928.05/x
  3. Step 3: Cross multiply
    26,650.71x = 39,971.25 × 6,928.05
  4. Step 4: Simplify right side
    26,650.71x = 276,922,818.56
  5. Step 5: Solve for x
    x = 276,922,818.56/26,650.71
  6. Step 6: Final answer
    x = 10,390.82

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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.