Home / 25,530.88-38,306.87-11,291.86

Finding the Fourth Proportional to 25,530.88, 38,306.87 and 11,291.86

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Solution

The fourth proportional to 25,530.88, 38,306.87 and 11,291.86 is: 16,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.88 : 38,306.87 = 11,291.86 : x
  2. Step 2: Convert to fraction form
    25,530.88/38,306.87 = 11,291.86/x
  3. Step 3: Cross multiply
    25,530.88x = 38,306.87 × 11,291.86
  4. Step 4: Simplify right side
    25,530.88x = 432,555,813.08
  5. Step 5: Solve for x
    x = 432,555,813.08/25,530.88
  6. Step 6: Final answer
    x = 16,942.46

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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.