Home / 21,886.20-32,846.60-8,039.16

Finding the Fourth Proportional to 21,886.20, 32,846.60 and 8,039.16

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Solution

The fourth proportional to 21,886.20, 32,846.60 and 8,039.16 is: 12,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886.20 : 32,846.60 = 8,039.16 : x
  2. Step 2: Convert to fraction form
    21,886.20/32,846.60 = 8,039.16/x
  3. Step 3: Cross multiply
    21,886.20x = 32,846.60 × 8,039.16
  4. Step 4: Simplify right side
    21,886.20x = 264,059,072.86
  5. Step 5: Solve for x
    x = 264,059,072.86/21,886.20
  6. Step 6: Final answer
    x = 12,065.09

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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.