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Finding the Fourth Proportional to 19,047.25, 28,552.04 and 9,034.44

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Solution

The fourth proportional to 19,047.25, 28,552.04 and 9,034.44 is: 13,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.25 : 28,552.04 = 9,034.44 : x
  2. Step 2: Convert to fraction form
    19,047.25/28,552.04 = 9,034.44/x
  3. Step 3: Cross multiply
    19,047.25x = 28,552.04 × 9,034.44
  4. Step 4: Simplify right side
    19,047.25x = 257,951,624.71
  5. Step 5: Solve for x
    x = 257,951,624.71/19,047.25
  6. Step 6: Final answer
    x = 13,542.72

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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.