Home / 25,991.71-38,955.26-11,936.82

Finding the Fourth Proportional to 25,991.71, 38,955.26 and 11,936.82

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Solution

The fourth proportional to 25,991.71, 38,955.26 and 11,936.82 is: 17,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.71 : 38,955.26 = 11,936.82 : x
  2. Step 2: Convert to fraction form
    25,991.71/38,955.26 = 11,936.82/x
  3. Step 3: Cross multiply
    25,991.71x = 38,955.26 × 11,936.82
  4. Step 4: Simplify right side
    25,991.71x = 465,001,926.67
  5. Step 5: Solve for x
    x = 465,001,926.67/25,991.71
  6. Step 6: Final answer
    x = 17,890.39

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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.