Home / 25,666.86-38,469.99-11,610.42

Finding the Fourth Proportional to 25,666.86, 38,469.99 and 11,610.42

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Solution

The fourth proportional to 25,666.86, 38,469.99 and 11,610.42 is: 17,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.86 : 38,469.99 = 11,610.42 : x
  2. Step 2: Convert to fraction form
    25,666.86/38,469.99 = 11,610.42/x
  3. Step 3: Cross multiply
    25,666.86x = 38,469.99 × 11,610.42
  4. Step 4: Simplify right side
    25,666.86x = 446,652,741.30
  5. Step 5: Solve for x
    x = 446,652,741.30/25,666.86
  6. Step 6: Final answer
    x = 17,401.92

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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.