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Finding the Fourth Proportional to 32,627, 45,029.10 and 19,379

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Solution

The fourth proportional to 32,627, 45,029.10 and 19,379 is: 26,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,627 : 45,029.10 = 19,379 : x
  2. Step 2: Convert to fraction form
    32,627/45,029.10 = 19,379/x
  3. Step 3: Cross multiply
    32,627x = 45,029.10 × 19,379
  4. Step 4: Simplify right side
    32,627x = 872,618,928.90
  5. Step 5: Solve for x
    x = 872,618,928.90/32,627
  6. Step 6: Final answer
    x = 26,745.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.