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Finding the Fourth Proportional to 27,969.97, 41,955.06 and 11,330.31

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Solution

The fourth proportional to 27,969.97, 41,955.06 and 11,330.31 is: 16,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.97 : 41,955.06 = 11,330.31 : x
  2. Step 2: Convert to fraction form
    27,969.97/41,955.06 = 11,330.31/x
  3. Step 3: Cross multiply
    27,969.97x = 41,955.06 × 11,330.31
  4. Step 4: Simplify right side
    27,969.97x = 475,363,835.87
  5. Step 5: Solve for x
    x = 475,363,835.87/27,969.97
  6. Step 6: Final answer
    x = 16,995.51

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1.5x scale

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.