Home / 88,388.20-132,579.06-21,827.80

Finding the Fourth Proportional to 88,388.20, 132,579.06 and 21,827.80

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Solution

The fourth proportional to 88,388.20, 132,579.06 and 21,827.80 is: 32,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,388.20 : 132,579.06 = 21,827.80 : x
  2. Step 2: Convert to fraction form
    88,388.20/132,579.06 = 21,827.80/x
  3. Step 3: Cross multiply
    88,388.20x = 132,579.06 × 21,827.80
  4. Step 4: Simplify right side
    88,388.20x = 2,893,909,205.87
  5. Step 5: Solve for x
    x = 2,893,909,205.87/88,388.20
  6. Step 6: Final answer
    x = 32,740.90

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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.