Home / 20,832.41-28,741.58-11,873.43

Finding the Fourth Proportional to 20,832.41, 28,741.58 and 11,873.43

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Solution

The fourth proportional to 20,832.41, 28,741.58 and 11,873.43 is: 16,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.41 : 28,741.58 = 11,873.43 : x
  2. Step 2: Convert to fraction form
    20,832.41/28,741.58 = 11,873.43/x
  3. Step 3: Cross multiply
    20,832.41x = 28,741.58 × 11,873.43
  4. Step 4: Simplify right side
    20,832.41x = 341,261,078.85
  5. Step 5: Solve for x
    x = 341,261,078.85/20,832.41
  6. Step 6: Final answer
    x = 16,381.26

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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.