Home / 21,348.72-32,029.22-8,866.42

Finding the Fourth Proportional to 21,348.72, 32,029.22 and 8,866.42

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Solution

The fourth proportional to 21,348.72, 32,029.22 and 8,866.42 is: 13,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.72 : 32,029.22 = 8,866.42 : x
  2. Step 2: Convert to fraction form
    21,348.72/32,029.22 = 8,866.42/x
  3. Step 3: Cross multiply
    21,348.72x = 32,029.22 × 8,866.42
  4. Step 4: Simplify right side
    21,348.72x = 283,984,516.79
  5. Step 5: Solve for x
    x = 283,984,516.79/21,348.72
  6. Step 6: Final answer
    x = 13,302.18

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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.