Home / 21,027.89-31,541.94-6,236.91

Finding the Fourth Proportional to 21,027.89, 31,541.94 and 6,236.91

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Solution

The fourth proportional to 21,027.89, 31,541.94 and 6,236.91 is: 9,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.89 : 31,541.94 = 6,236.91 : x
  2. Step 2: Convert to fraction form
    21,027.89/31,541.94 = 6,236.91/x
  3. Step 3: Cross multiply
    21,027.89x = 31,541.94 × 6,236.91
  4. Step 4: Simplify right side
    21,027.89x = 196,724,241.01
  5. Step 5: Solve for x
    x = 196,724,241.01/21,027.89
  6. Step 6: Final answer
    x = 9,355.40

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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.