Home / 26,936.85-40,386.49-11,935.81

Finding the Fourth Proportional to 26,936.85, 40,386.49 and 11,935.81

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Solution

The fourth proportional to 26,936.85, 40,386.49 and 11,935.81 is: 17,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.85 : 40,386.49 = 11,935.81 : x
  2. Step 2: Convert to fraction form
    26,936.85/40,386.49 = 11,935.81/x
  3. Step 3: Cross multiply
    26,936.85x = 40,386.49 × 11,935.81
  4. Step 4: Simplify right side
    26,936.85x = 482,045,471.21
  5. Step 5: Solve for x
    x = 482,045,471.21/26,936.85
  6. Step 6: Final answer
    x = 17,895.39

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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.