Home / 21,652.43-32,479.55-6,861.02

Finding the Fourth Proportional to 21,652.43, 32,479.55 and 6,861.02

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Solution

The fourth proportional to 21,652.43, 32,479.55 and 6,861.02 is: 10,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.43 : 32,479.55 = 6,861.02 : x
  2. Step 2: Convert to fraction form
    21,652.43/32,479.55 = 6,861.02/x
  3. Step 3: Cross multiply
    21,652.43x = 32,479.55 × 6,861.02
  4. Step 4: Simplify right side
    21,652.43x = 222,842,842.14
  5. Step 5: Solve for x
    x = 222,842,842.14/21,652.43
  6. Step 6: Final answer
    x = 10,291.82

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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.