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Finding the Fourth Proportional to 32,261.25, 48,391.88 and 8,887.69

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Solution

The fourth proportional to 32,261.25, 48,391.88 and 8,887.69 is: 13,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,261.25 : 48,391.88 = 8,887.69 : x
  2. Step 2: Convert to fraction form
    32,261.25/48,391.88 = 8,887.69/x
  3. Step 3: Cross multiply
    32,261.25x = 48,391.88 × 8,887.69
  4. Step 4: Simplify right side
    32,261.25x = 430,092,027.96
  5. Step 5: Solve for x
    x = 430,092,027.96/32,261.25
  6. Step 6: Final answer
    x = 13,331.54

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Similar ratio
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1.5x scale

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.