Home / 25,976.72-38,968.86-8,201.36

Finding the Fourth Proportional to 25,976.72, 38,968.86 and 8,201.36

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Solution

The fourth proportional to 25,976.72, 38,968.86 and 8,201.36 is: 12,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,976.72 : 38,968.86 = 8,201.36 : x
  2. Step 2: Convert to fraction form
    25,976.72/38,968.86 = 8,201.36/x
  3. Step 3: Cross multiply
    25,976.72x = 38,968.86 × 8,201.36
  4. Step 4: Simplify right side
    25,976.72x = 319,597,649.65
  5. Step 5: Solve for x
    x = 319,597,649.65/25,976.72
  6. Step 6: Final answer
    x = 12,303.23

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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.