Home / 20,003.28-27,600.72-12,046.02

Finding the Fourth Proportional to 20,003.28, 27,600.72 and 12,046.02

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Solution

The fourth proportional to 20,003.28, 27,600.72 and 12,046.02 is: 16,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.28 : 27,600.72 = 12,046.02 : x
  2. Step 2: Convert to fraction form
    20,003.28/27,600.72 = 12,046.02/x
  3. Step 3: Cross multiply
    20,003.28x = 27,600.72 × 12,046.02
  4. Step 4: Simplify right side
    20,003.28x = 332,478,825.13
  5. Step 5: Solve for x
    x = 332,478,825.13/20,003.28
  6. Step 6: Final answer
    x = 16,621.22

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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.