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Finding the Fourth Proportional to 32,328.28, 48,486.93 and 8,949.25

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Solution

The fourth proportional to 32,328.28, 48,486.93 and 8,949.25 is: 13,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,328.28 : 48,486.93 = 8,949.25 : x
  2. Step 2: Convert to fraction form
    32,328.28/48,486.93 = 8,949.25/x
  3. Step 3: Cross multiply
    32,328.28x = 48,486.93 × 8,949.25
  4. Step 4: Simplify right side
    32,328.28x = 433,921,658.30
  5. Step 5: Solve for x
    x = 433,921,658.30/32,328.28
  6. Step 6: Final answer
    x = 13,422.36

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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.