Home / 20,016.81-27,624.11-11,631.69

Finding the Fourth Proportional to 20,016.81, 27,624.11 and 11,631.69

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Solution

The fourth proportional to 20,016.81, 27,624.11 and 11,631.69 is: 16,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.81 : 27,624.11 = 11,631.69 : x
  2. Step 2: Convert to fraction form
    20,016.81/27,624.11 = 11,631.69/x
  3. Step 3: Cross multiply
    20,016.81x = 27,624.11 × 11,631.69
  4. Step 4: Simplify right side
    20,016.81x = 321,315,025.89
  5. Step 5: Solve for x
    x = 321,315,025.89/20,016.81
  6. Step 6: Final answer
    x = 16,052.26

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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.