Home / 21,580.95-32,371.43-6,791.37

Finding the Fourth Proportional to 21,580.95, 32,371.43 and 6,791.37

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Solution

The fourth proportional to 21,580.95, 32,371.43 and 6,791.37 is: 10,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.95 : 32,371.43 = 6,791.37 : x
  2. Step 2: Convert to fraction form
    21,580.95/32,371.43 = 6,791.37/x
  3. Step 3: Cross multiply
    21,580.95x = 32,371.43 × 6,791.37
  4. Step 4: Simplify right side
    21,580.95x = 219,846,358.56
  5. Step 5: Solve for x
    x = 219,846,358.56/21,580.95
  6. Step 6: Final answer
    x = 10,187.06

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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.