Home / 25,676.75-35,438.06-15,468.92

Finding the Fourth Proportional to 25,676.75, 35,438.06 and 15,468.92

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Solution

The fourth proportional to 25,676.75, 35,438.06 and 15,468.92 is: 21,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.75 : 35,438.06 = 15,468.92 : x
  2. Step 2: Convert to fraction form
    25,676.75/35,438.06 = 15,468.92/x
  3. Step 3: Cross multiply
    25,676.75x = 35,438.06 × 15,468.92
  4. Step 4: Simplify right side
    25,676.75x = 548,188,621.80
  5. Step 5: Solve for x
    x = 548,188,621.80/25,676.75
  6. Step 6: Final answer
    x = 21,349.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.