Home / 21,200.04-31,796.64-8,049.24

Finding the Fourth Proportional to 21,200.04, 31,796.64 and 8,049.24

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Solution

The fourth proportional to 21,200.04, 31,796.64 and 8,049.24 is: 12,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200.04 : 31,796.64 = 8,049.24 : x
  2. Step 2: Convert to fraction form
    21,200.04/31,796.64 = 8,049.24/x
  3. Step 3: Cross multiply
    21,200.04x = 31,796.64 × 8,049.24
  4. Step 4: Simplify right side
    21,200.04x = 255,938,786.55
  5. Step 5: Solve for x
    x = 255,938,786.55/21,200.04
  6. Step 6: Final answer
    x = 12,072.56

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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.