Home / 25,586.21-38,362.82-10,791.16

Finding the Fourth Proportional to 25,586.21, 38,362.82 and 10,791.16

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Solution

The fourth proportional to 25,586.21, 38,362.82 and 10,791.16 is: 16,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,586.21 : 38,362.82 = 10,791.16 : x
  2. Step 2: Convert to fraction form
    25,586.21/38,362.82 = 10,791.16/x
  3. Step 3: Cross multiply
    25,586.21x = 38,362.82 × 10,791.16
  4. Step 4: Simplify right side
    25,586.21x = 413,979,178.81
  5. Step 5: Solve for x
    x = 413,979,178.81/25,586.21
  6. Step 6: Final answer
    x = 16,179.78

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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.