Home / 20,134.24-27,785.64-11,182.58

Finding the Fourth Proportional to 20,134.24, 27,785.64 and 11,182.58

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Solution

The fourth proportional to 20,134.24, 27,785.64 and 11,182.58 is: 15,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.24 : 27,785.64 = 11,182.58 : x
  2. Step 2: Convert to fraction form
    20,134.24/27,785.64 = 11,182.58/x
  3. Step 3: Cross multiply
    20,134.24x = 27,785.64 × 11,182.58
  4. Step 4: Simplify right side
    20,134.24x = 310,715,142.15
  5. Step 5: Solve for x
    x = 310,715,142.15/20,134.24
  6. Step 6: Final answer
    x = 15,432.18

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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.