Home / 25,208.24-34,786.88-15,782

Finding the Fourth Proportional to 25,208.24, 34,786.88 and 15,782

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Solution

The fourth proportional to 25,208.24, 34,786.88 and 15,782 is: 21,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.24 : 34,786.88 = 15,782 : x
  2. Step 2: Convert to fraction form
    25,208.24/34,786.88 = 15,782/x
  3. Step 3: Cross multiply
    25,208.24x = 34,786.88 × 15,782
  4. Step 4: Simplify right side
    25,208.24x = 549,006,540.16
  5. Step 5: Solve for x
    x = 549,006,540.16/25,208.24
  6. Step 6: Final answer
    x = 21,778.85

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