Home / 17,311.96-25,789.28-16,236.28

Finding the Fourth Proportional to 17,311.96, 25,789.28 and 16,236.28

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Solution

The fourth proportional to 17,311.96, 25,789.28 and 16,236.28 is: 24,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.96 : 25,789.28 = 16,236.28 : x
  2. Step 2: Convert to fraction form
    17,311.96/25,789.28 = 16,236.28/x
  3. Step 3: Cross multiply
    17,311.96x = 25,789.28 × 16,236.28
  4. Step 4: Simplify right side
    17,311.96x = 418,721,971.08
  5. Step 5: Solve for x
    x = 418,721,971.08/17,311.96
  6. Step 6: Final answer
    x = 24,186.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.