Home / 26,936.91-40,409.64-8,212.67

Finding the Fourth Proportional to 26,936.91, 40,409.64 and 8,212.67

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Solution

The fourth proportional to 26,936.91, 40,409.64 and 8,212.67 is: 12,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.91 : 40,409.64 = 8,212.67 : x
  2. Step 2: Convert to fraction form
    26,936.91/40,409.64 = 8,212.67/x
  3. Step 3: Cross multiply
    26,936.91x = 40,409.64 × 8,212.67
  4. Step 4: Simplify right side
    26,936.91x = 331,870,836.09
  5. Step 5: Solve for x
    x = 331,870,836.09/26,936.91
  6. Step 6: Final answer
    x = 12,320.30

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1.5x scale

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.