Home / 26,930.24-40,401.41-8,212.17

Finding the Fourth Proportional to 26,930.24, 40,401.41 and 8,212.17

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Solution

The fourth proportional to 26,930.24, 40,401.41 and 8,212.17 is: 12,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.24 : 40,401.41 = 8,212.17 : x
  2. Step 2: Convert to fraction form
    26,930.24/40,401.41 = 8,212.17/x
  3. Step 3: Cross multiply
    26,930.24x = 40,401.41 × 8,212.17
  4. Step 4: Simplify right side
    26,930.24x = 331,783,247.16
  5. Step 5: Solve for x
    x = 331,783,247.16/26,930.24
  6. Step 6: Final answer
    x = 12,320.10

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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.