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Finding the Fourth Proportional to 20,484.38, 30,726.76 and 5,694.46

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Solution

The fourth proportional to 20,484.38, 30,726.76 and 5,694.46 is: 8,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.38 : 30,726.76 = 5,694.46 : x
  2. Step 2: Convert to fraction form
    20,484.38/30,726.76 = 5,694.46/x
  3. Step 3: Cross multiply
    20,484.38x = 30,726.76 × 5,694.46
  4. Step 4: Simplify right side
    20,484.38x = 174,972,305.75
  5. Step 5: Solve for x
    x = 174,972,305.75/20,484.38
  6. Step 6: Final answer
    x = 8,541.74

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