Home / 20,566.99-28,382.23-11,613.97

Finding the Fourth Proportional to 20,566.99, 28,382.23 and 11,613.97

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Solution

The fourth proportional to 20,566.99, 28,382.23 and 11,613.97 is: 16,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.99 : 28,382.23 = 11,613.97 : x
  2. Step 2: Convert to fraction form
    20,566.99/28,382.23 = 11,613.97/x
  3. Step 3: Cross multiply
    20,566.99x = 28,382.23 × 11,613.97
  4. Step 4: Simplify right side
    20,566.99x = 329,630,367.75
  5. Step 5: Solve for x
    x = 329,630,367.75/20,566.99
  6. Step 6: Final answer
    x = 16,027.16

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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.