Home / 27,940.14-41,905.89-9,220.50

Finding the Fourth Proportional to 27,940.14, 41,905.89 and 9,220.50

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Solution

The fourth proportional to 27,940.14, 41,905.89 and 9,220.50 is: 13,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.14 : 41,905.89 = 9,220.50 : x
  2. Step 2: Convert to fraction form
    27,940.14/41,905.89 = 9,220.50/x
  3. Step 3: Cross multiply
    27,940.14x = 41,905.89 × 9,220.50
  4. Step 4: Simplify right side
    27,940.14x = 386,393,258.75
  5. Step 5: Solve for x
    x = 386,393,258.75/27,940.14
  6. Step 6: Final answer
    x = 13,829.32

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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.