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Finding the Fourth Proportional to 19,227, 28,840.53 and 5,376

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Solution

The fourth proportional to 19,227, 28,840.53 and 5,376 is: 8,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227 : 28,840.53 = 5,376 : x
  2. Step 2: Convert to fraction form
    19,227/28,840.53 = 5,376/x
  3. Step 3: Cross multiply
    19,227x = 28,840.53 × 5,376
  4. Step 4: Simplify right side
    19,227x = 155,046,689.28
  5. Step 5: Solve for x
    x = 155,046,689.28/19,227
  6. Step 6: Final answer
    x = 8,064.01

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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.