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Finding the Fourth Proportional to 27,795.52, 38,357.43 and 15,220.27

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Solution

The fourth proportional to 27,795.52, 38,357.43 and 15,220.27 is: 21,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.52 : 38,357.43 = 15,220.27 : x
  2. Step 2: Convert to fraction form
    27,795.52/38,357.43 = 15,220.27/x
  3. Step 3: Cross multiply
    27,795.52x = 38,357.43 × 15,220.27
  4. Step 4: Simplify right side
    27,795.52x = 583,810,441.11
  5. Step 5: Solve for x
    x = 583,810,441.11/27,795.52
  6. Step 6: Final answer
    x = 21,003.76

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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.