Home / 20,000.88-27,606.53-12,442.92

Finding the Fourth Proportional to 20,000.88, 27,606.53 and 12,442.92

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Solution

The fourth proportional to 20,000.88, 27,606.53 and 12,442.92 is: 17,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.88 : 27,606.53 = 12,442.92 : x
  2. Step 2: Convert to fraction form
    20,000.88/27,606.53 = 12,442.92/x
  3. Step 3: Cross multiply
    20,000.88x = 27,606.53 × 12,442.92
  4. Step 4: Simplify right side
    20,000.88x = 343,505,844.27
  5. Step 5: Solve for x
    x = 343,505,844.27/20,000.88
  6. Step 6: Final answer
    x = 17,174.54

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1.5x scale

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.