Home / 20,724.20-31,077.17-5,929.75

Finding the Fourth Proportional to 20,724.20, 31,077.17 and 5,929.75

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Solution

The fourth proportional to 20,724.20, 31,077.17 and 5,929.75 is: 8,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.20 : 31,077.17 = 5,929.75 : x
  2. Step 2: Convert to fraction form
    20,724.20/31,077.17 = 5,929.75/x
  3. Step 3: Cross multiply
    20,724.20x = 31,077.17 × 5,929.75
  4. Step 4: Simplify right side
    20,724.20x = 184,279,880.24
  5. Step 5: Solve for x
    x = 184,279,880.24/20,724.20
  6. Step 6: Final answer
    x = 8,892.01

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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.