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Finding the Fourth Proportional to 27,796.50, 38,359.98 and 15,222.06

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Solution

The fourth proportional to 27,796.50, 38,359.98 and 15,222.06 is: 21,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.50 : 38,359.98 = 15,222.06 : x
  2. Step 2: Convert to fraction form
    27,796.50/38,359.98 = 15,222.06/x
  3. Step 3: Cross multiply
    27,796.50x = 38,359.98 × 15,222.06
  4. Step 4: Simplify right side
    27,796.50x = 583,917,917.16
  5. Step 5: Solve for x
    x = 583,917,917.16/27,796.50
  6. Step 6: Final answer
    x = 21,006.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.