Home / 21,895.60-32,821.80-10,793.20

Finding the Fourth Proportional to 21,895.60, 32,821.80 and 10,793.20

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Solution

The fourth proportional to 21,895.60, 32,821.80 and 10,793.20 is: 16,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895.60 : 32,821.80 = 10,793.20 : x
  2. Step 2: Convert to fraction form
    21,895.60/32,821.80 = 10,793.20/x
  3. Step 3: Cross multiply
    21,895.60x = 32,821.80 × 10,793.20
  4. Step 4: Simplify right side
    21,895.60x = 354,252,251.76
  5. Step 5: Solve for x
    x = 354,252,251.76/21,895.60
  6. Step 6: Final answer
    x = 16,179.15

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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.