Home / 36,614.92-54,928.86-13,818.28

Finding the Fourth Proportional to 36,614.92, 54,928.86 and 13,818.28

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Solution

The fourth proportional to 36,614.92, 54,928.86 and 13,818.28 is: 20,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,614.92 : 54,928.86 = 13,818.28 : x
  2. Step 2: Convert to fraction form
    36,614.92/54,928.86 = 13,818.28/x
  3. Step 3: Cross multiply
    36,614.92x = 54,928.86 × 13,818.28
  4. Step 4: Simplify right side
    36,614.92x = 759,022,367.56
  5. Step 5: Solve for x
    x = 759,022,367.56/36,614.92
  6. Step 6: Final answer
    x = 20,729.87

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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.