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Finding the Fourth Proportional to 19,233, 28,849.50 and 5,382

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Solution

The fourth proportional to 19,233, 28,849.50 and 5,382 is: 8,073

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233 : 28,849.50 = 5,382 : x
  2. Step 2: Convert to fraction form
    19,233/28,849.50 = 5,382/x
  3. Step 3: Cross multiply
    19,233x = 28,849.50 × 5,382
  4. Step 4: Simplify right side
    19,233x = 155,268,009
  5. Step 5: Solve for x
    x = 155,268,009/19,233
  6. Step 6: Final answer
    x = 8,073

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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.