Home / 20,832.04-28,754.25-11,884.42

Finding the Fourth Proportional to 20,832.04, 28,754.25 and 11,884.42

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Solution

The fourth proportional to 20,832.04, 28,754.25 and 11,884.42 is: 16,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.04 : 28,754.25 = 11,884.42 : x
  2. Step 2: Convert to fraction form
    20,832.04/28,754.25 = 11,884.42/x
  3. Step 3: Cross multiply
    20,832.04x = 28,754.25 × 11,884.42
  4. Step 4: Simplify right side
    20,832.04x = 341,727,583.79
  5. Step 5: Solve for x
    x = 341,727,583.79/20,832.04
  6. Step 6: Final answer
    x = 16,403.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.