Home / 26,937.86-40,388.01-11,936.81

Finding the Fourth Proportional to 26,937.86, 40,388.01 and 11,936.81

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Solution

The fourth proportional to 26,937.86, 40,388.01 and 11,936.81 is: 17,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.86 : 40,388.01 = 11,936.81 : x
  2. Step 2: Convert to fraction form
    26,937.86/40,388.01 = 11,936.81/x
  3. Step 3: Cross multiply
    26,937.86x = 40,388.01 × 11,936.81
  4. Step 4: Simplify right side
    26,937.86x = 482,104,001.65
  5. Step 5: Solve for x
    x = 482,104,001.65/26,937.86
  6. Step 6: Final answer
    x = 17,896.89

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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.