Home / 28,725.56-43,088.26-7,949

Finding the Fourth Proportional to 28,725.56, 43,088.26 and 7,949

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Solution

The fourth proportional to 28,725.56, 43,088.26 and 7,949 is: 11,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.56 : 43,088.26 = 7,949 : x
  2. Step 2: Convert to fraction form
    28,725.56/43,088.26 = 7,949/x
  3. Step 3: Cross multiply
    28,725.56x = 43,088.26 × 7,949
  4. Step 4: Simplify right side
    28,725.56x = 342,508,578.74
  5. Step 5: Solve for x
    x = 342,508,578.74/28,725.56
  6. Step 6: Final answer
    x = 11,923.48

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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.