Home / 26,479.70-39,725.00-7,760.34

Finding the Fourth Proportional to 26,479.70, 39,725.00 and 7,760.34

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Solution

The fourth proportional to 26,479.70, 39,725.00 and 7,760.34 is: 11,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.70 : 39,725.00 = 7,760.34 : x
  2. Step 2: Convert to fraction form
    26,479.70/39,725.00 = 7,760.34/x
  3. Step 3: Cross multiply
    26,479.70x = 39,725.00 × 7,760.34
  4. Step 4: Simplify right side
    26,479.70x = 308,279,467.70
  5. Step 5: Solve for x
    x = 308,279,467.70/26,479.70
  6. Step 6: Final answer
    x = 11,642.11

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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.