Home / 20,633.56-28,476.08-11,682.64

Finding the Fourth Proportional to 20,633.56, 28,476.08 and 11,682.64

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Solution

The fourth proportional to 20,633.56, 28,476.08 and 11,682.64 is: 16,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.56 : 28,476.08 = 11,682.64 : x
  2. Step 2: Convert to fraction form
    20,633.56/28,476.08 = 11,682.64/x
  3. Step 3: Cross multiply
    20,633.56x = 28,476.08 × 11,682.64
  4. Step 4: Simplify right side
    20,633.56x = 332,675,732.84
  5. Step 5: Solve for x
    x = 332,675,732.84/20,633.56
  6. Step 6: Final answer
    x = 16,123.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.