Home / 21,496.44-32,238.18-8,345.88

Finding the Fourth Proportional to 21,496.44, 32,238.18 and 8,345.88

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Solution

The fourth proportional to 21,496.44, 32,238.18 and 8,345.88 is: 12,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.44 : 32,238.18 = 8,345.88 : x
  2. Step 2: Convert to fraction form
    21,496.44/32,238.18 = 8,345.88/x
  3. Step 3: Cross multiply
    21,496.44x = 32,238.18 × 8,345.88
  4. Step 4: Simplify right side
    21,496.44x = 269,055,981.70
  5. Step 5: Solve for x
    x = 269,055,981.70/21,496.44
  6. Step 6: Final answer
    x = 12,516.30

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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.