Home / 28,857.15-43,256.92-13,836.54

Finding the Fourth Proportional to 28,857.15, 43,256.92 and 13,836.54

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Solution

The fourth proportional to 28,857.15, 43,256.92 and 13,836.54 is: 20,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.15 : 43,256.92 = 13,836.54 : x
  2. Step 2: Convert to fraction form
    28,857.15/43,256.92 = 13,836.54/x
  3. Step 3: Cross multiply
    28,857.15x = 43,256.92 × 13,836.54
  4. Step 4: Simplify right side
    28,857.15x = 598,526,103.86
  5. Step 5: Solve for x
    x = 598,526,103.86/28,857.15
  6. Step 6: Final answer
    x = 20,741.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.