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Finding the Fourth Proportional to 19,234, 28,851 and 4,642

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Solution

The fourth proportional to 19,234, 28,851 and 4,642 is: 6,963

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234 : 28,851 = 4,642 : x
  2. Step 2: Convert to fraction form
    19,234/28,851 = 4,642/x
  3. Step 3: Cross multiply
    19,234x = 28,851 × 4,642
  4. Step 4: Simplify right side
    19,234x = 133,926,342
  5. Step 5: Solve for x
    x = 133,926,342/19,234
  6. Step 6: Final answer
    x = 6,963

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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.