Home / 25,857.82-35,683.50-15,250.87

Finding the Fourth Proportional to 25,857.82, 35,683.50 and 15,250.87

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Solution

The fourth proportional to 25,857.82, 35,683.50 and 15,250.87 is: 21,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.82 : 35,683.50 = 15,250.87 : x
  2. Step 2: Convert to fraction form
    25,857.82/35,683.50 = 15,250.87/x
  3. Step 3: Cross multiply
    25,857.82x = 35,683.50 × 15,250.87
  4. Step 4: Simplify right side
    25,857.82x = 544,204,419.65
  5. Step 5: Solve for x
    x = 544,204,419.65/25,857.82
  6. Step 6: Final answer
    x = 21,046.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.