Home / 81,669.88-122,427.06-26,227

Finding the Fourth Proportional to 81,669.88, 122,427.06 and 26,227

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Solution

The fourth proportional to 81,669.88, 122,427.06 and 26,227 is: 39,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,669.88 : 122,427.06 = 26,227 : x
  2. Step 2: Convert to fraction form
    81,669.88/122,427.06 = 26,227/x
  3. Step 3: Cross multiply
    81,669.88x = 122,427.06 × 26,227
  4. Step 4: Simplify right side
    81,669.88x = 3,210,894,502.62
  5. Step 5: Solve for x
    x = 3,210,894,502.62/81,669.88
  6. Step 6: Final answer
    x = 39,315.53

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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.