Home / 25,991.58-38,955.07-11,936.70

Finding the Fourth Proportional to 25,991.58, 38,955.07 and 11,936.70

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Solution

The fourth proportional to 25,991.58, 38,955.07 and 11,936.70 is: 17,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.58 : 38,955.07 = 11,936.70 : x
  2. Step 2: Convert to fraction form
    25,991.58/38,955.07 = 11,936.70/x
  3. Step 3: Cross multiply
    25,991.58x = 38,955.07 × 11,936.70
  4. Step 4: Simplify right side
    25,991.58x = 464,994,954.23
  5. Step 5: Solve for x
    x = 464,994,954.23/25,991.58
  6. Step 6: Final answer
    x = 17,890.21

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1.5x scale

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.