Home / 26,824.77-40,238.01-12,786.33

Finding the Fourth Proportional to 26,824.77, 40,238.01 and 12,786.33

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Solution

The fourth proportional to 26,824.77, 40,238.01 and 12,786.33 is: 19,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,824.77 : 40,238.01 = 12,786.33 : x
  2. Step 2: Convert to fraction form
    26,824.77/40,238.01 = 12,786.33/x
  3. Step 3: Cross multiply
    26,824.77x = 40,238.01 × 12,786.33
  4. Step 4: Simplify right side
    26,824.77x = 514,496,275.56
  5. Step 5: Solve for x
    x = 514,496,275.56/26,824.77
  6. Step 6: Final answer
    x = 19,179.89

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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.