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Finding the Fourth Proportional to 28,097.75, 38,773.14 and 15,348.35

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Solution

The fourth proportional to 28,097.75, 38,773.14 and 15,348.35 is: 21,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.75 : 38,773.14 = 15,348.35 : x
  2. Step 2: Convert to fraction form
    28,097.75/38,773.14 = 15,348.35/x
  3. Step 3: Cross multiply
    28,097.75x = 38,773.14 × 15,348.35
  4. Step 4: Simplify right side
    28,097.75x = 595,103,529.45
  5. Step 5: Solve for x
    x = 595,103,529.45/28,097.75
  6. Step 6: Final answer
    x = 21,179.76

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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.