Home / 21,494.57-32,209.04-16,803.45

Finding the Fourth Proportional to 21,494.57, 32,209.04 and 16,803.45

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Solution

The fourth proportional to 21,494.57, 32,209.04 and 16,803.45 is: 25,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494.57 : 32,209.04 = 16,803.45 : x
  2. Step 2: Convert to fraction form
    21,494.57/32,209.04 = 16,803.45/x
  3. Step 3: Cross multiply
    21,494.57x = 32,209.04 × 16,803.45
  4. Step 4: Simplify right side
    21,494.57x = 541,223,035.20
  5. Step 5: Solve for x
    x = 541,223,035.20/21,494.57
  6. Step 6: Final answer
    x = 25,179.53

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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.