Home / 21,965.64-32,952.60-8,819.04

Finding the Fourth Proportional to 21,965.64, 32,952.60 and 8,819.04

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Solution

The fourth proportional to 21,965.64, 32,952.60 and 8,819.04 is: 13,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.64 : 32,952.60 = 8,819.04 : x
  2. Step 2: Convert to fraction form
    21,965.64/32,952.60 = 8,819.04/x
  3. Step 3: Cross multiply
    21,965.64x = 32,952.60 × 8,819.04
  4. Step 4: Simplify right side
    21,965.64x = 290,610,297.50
  5. Step 5: Solve for x
    x = 290,610,297.50/21,965.64
  6. Step 6: Final answer
    x = 13,230.22

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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.