Home / 28,855.44-43,278.30-11,330.28

Finding the Fourth Proportional to 28,855.44, 43,278.30 and 11,330.28

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Solution

The fourth proportional to 28,855.44, 43,278.30 and 11,330.28 is: 16,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.44 : 43,278.30 = 11,330.28 : x
  2. Step 2: Convert to fraction form
    28,855.44/43,278.30 = 11,330.28/x
  3. Step 3: Cross multiply
    28,855.44x = 43,278.30 × 11,330.28
  4. Step 4: Simplify right side
    28,855.44x = 490,355,256.92
  5. Step 5: Solve for x
    x = 490,355,256.92/28,855.44
  6. Step 6: Final answer
    x = 16,993.51

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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.