Home / 28,236.64-38,956.26-16,906.48

Finding the Fourth Proportional to 28,236.64, 38,956.26 and 16,906.48

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Solution

The fourth proportional to 28,236.64, 38,956.26 and 16,906.48 is: 23,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.64 : 38,956.26 = 16,906.48 : x
  2. Step 2: Convert to fraction form
    28,236.64/38,956.26 = 16,906.48/x
  3. Step 3: Cross multiply
    28,236.64x = 38,956.26 × 16,906.48
  4. Step 4: Simplify right side
    28,236.64x = 658,613,230.56
  5. Step 5: Solve for x
    x = 658,613,230.56/28,236.64
  6. Step 6: Final answer
    x = 23,324.77

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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.