Home / 26,936.96-40,401.79-7,215.68

Finding the Fourth Proportional to 26,936.96, 40,401.79 and 7,215.68

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Solution

The fourth proportional to 26,936.96, 40,401.79 and 7,215.68 is: 10,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.96 : 40,401.79 = 7,215.68 : x
  2. Step 2: Convert to fraction form
    26,936.96/40,401.79 = 7,215.68/x
  3. Step 3: Cross multiply
    26,936.96x = 40,401.79 × 7,215.68
  4. Step 4: Simplify right side
    26,936.96x = 291,526,471.03
  5. Step 5: Solve for x
    x = 291,526,471.03/26,936.96
  6. Step 6: Final answer
    x = 10,822.55

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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.