Home / 21,374.43-32,044.38-8,903.85

Finding the Fourth Proportional to 21,374.43, 32,044.38 and 8,903.85

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Solution

The fourth proportional to 21,374.43, 32,044.38 and 8,903.85 is: 13,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.43 : 32,044.38 = 8,903.85 : x
  2. Step 2: Convert to fraction form
    21,374.43/32,044.38 = 8,903.85/x
  3. Step 3: Cross multiply
    21,374.43x = 32,044.38 × 8,903.85
  4. Step 4: Simplify right side
    21,374.43x = 285,318,364.56
  5. Step 5: Solve for x
    x = 285,318,364.56/21,374.43
  6. Step 6: Final answer
    x = 13,348.58

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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.