Home / 21,167.33-31,747.74-5,586.17

Finding the Fourth Proportional to 21,167.33, 31,747.74 and 5,586.17

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Solution

The fourth proportional to 21,167.33, 31,747.74 and 5,586.17 is: 8,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.33 : 31,747.74 = 5,586.17 : x
  2. Step 2: Convert to fraction form
    21,167.33/31,747.74 = 5,586.17/x
  3. Step 3: Cross multiply
    21,167.33x = 31,747.74 × 5,586.17
  4. Step 4: Simplify right side
    21,167.33x = 177,348,114.02
  5. Step 5: Solve for x
    x = 177,348,114.02/21,167.33
  6. Step 6: Final answer
    x = 8,378.39

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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.