Home / 20,442.24-28,209.60-11,610.24

Finding the Fourth Proportional to 20,442.24, 28,209.60 and 11,610.24

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Solution

The fourth proportional to 20,442.24, 28,209.60 and 11,610.24 is: 16,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.24 : 28,209.60 = 11,610.24 : x
  2. Step 2: Convert to fraction form
    20,442.24/28,209.60 = 11,610.24/x
  3. Step 3: Cross multiply
    20,442.24x = 28,209.60 × 11,610.24
  4. Step 4: Simplify right side
    20,442.24x = 327,520,226.30
  5. Step 5: Solve for x
    x = 327,520,226.30/20,442.24
  6. Step 6: Final answer
    x = 16,021.74

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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.