Home / 26,217.35-39,287.13-19,257.83

Finding the Fourth Proportional to 26,217.35, 39,287.13 and 19,257.83

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Solution

The fourth proportional to 26,217.35, 39,287.13 and 19,257.83 is: 28,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217.35 : 39,287.13 = 19,257.83 : x
  2. Step 2: Convert to fraction form
    26,217.35/39,287.13 = 19,257.83/x
  3. Step 3: Cross multiply
    26,217.35x = 39,287.13 × 19,257.83
  4. Step 4: Simplify right side
    26,217.35x = 756,584,674.29
  5. Step 5: Solve for x
    x = 756,584,674.29/26,217.35
  6. Step 6: Final answer
    x = 28,858.17

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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.