Home / 28,738.08-43,105.92-7,961.04

Finding the Fourth Proportional to 28,738.08, 43,105.92 and 7,961.04

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Solution

The fourth proportional to 28,738.08, 43,105.92 and 7,961.04 is: 11,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.08 : 43,105.92 = 7,961.04 : x
  2. Step 2: Convert to fraction form
    28,738.08/43,105.92 = 7,961.04/x
  3. Step 3: Cross multiply
    28,738.08x = 43,105.92 × 7,961.04
  4. Step 4: Simplify right side
    28,738.08x = 343,167,953.36
  5. Step 5: Solve for x
    x = 343,167,953.36/28,738.08
  6. Step 6: Final answer
    x = 11,941.23

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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.