Home / 21,252.00-31,879.13-6,459.79

Finding the Fourth Proportional to 21,252.00, 31,879.13 and 6,459.79

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Solution

The fourth proportional to 21,252.00, 31,879.13 and 6,459.79 is: 9,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.00 : 31,879.13 = 6,459.79 : x
  2. Step 2: Convert to fraction form
    21,252.00/31,879.13 = 6,459.79/x
  3. Step 3: Cross multiply
    21,252.00x = 31,879.13 × 6,459.79
  4. Step 4: Simplify right side
    21,252.00x = 205,932,433.55
  5. Step 5: Solve for x
    x = 205,932,433.55/21,252.00
  6. Step 6: Final answer
    x = 9,690.03

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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.