Home / 20,523.86-28,322.92-11,092.43

Finding the Fourth Proportional to 20,523.86, 28,322.92 and 11,092.43

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Solution

The fourth proportional to 20,523.86, 28,322.92 and 11,092.43 is: 15,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.86 : 28,322.92 = 11,092.43 : x
  2. Step 2: Convert to fraction form
    20,523.86/28,322.92 = 11,092.43/x
  3. Step 3: Cross multiply
    20,523.86x = 28,322.92 × 11,092.43
  4. Step 4: Simplify right side
    20,523.86x = 314,170,007.50
  5. Step 5: Solve for x
    x = 314,170,007.50/20,523.86
  6. Step 6: Final answer
    x = 15,307.55

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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.