Home / 21,717.44-32,581.92-8,566.64

Finding the Fourth Proportional to 21,717.44, 32,581.92 and 8,566.64

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Solution

The fourth proportional to 21,717.44, 32,581.92 and 8,566.64 is: 12,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.44 : 32,581.92 = 8,566.64 : x
  2. Step 2: Convert to fraction form
    21,717.44/32,581.92 = 8,566.64/x
  3. Step 3: Cross multiply
    21,717.44x = 32,581.92 × 8,566.64
  4. Step 4: Simplify right side
    21,717.44x = 279,117,579.15
  5. Step 5: Solve for x
    x = 279,117,579.15/21,717.44
  6. Step 6: Final answer
    x = 12,852.23

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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.