Home / 21,933.40-32,908.20-8,795.20

Finding the Fourth Proportional to 21,933.40, 32,908.20 and 8,795.20

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Solution

The fourth proportional to 21,933.40, 32,908.20 and 8,795.20 is: 13,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.40 : 32,908.20 = 8,795.20 : x
  2. Step 2: Convert to fraction form
    21,933.40/32,908.20 = 8,795.20/x
  3. Step 3: Cross multiply
    21,933.40x = 32,908.20 × 8,795.20
  4. Step 4: Simplify right side
    21,933.40x = 289,434,200.64
  5. Step 5: Solve for x
    x = 289,434,200.64/21,933.40
  6. Step 6: Final answer
    x = 13,196.05

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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.