Home / 21,411.27-32,123.89-9,563.60

Finding the Fourth Proportional to 21,411.27, 32,123.89 and 9,563.60

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Solution

The fourth proportional to 21,411.27, 32,123.89 and 9,563.60 is: 14,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411.27 : 32,123.89 = 9,563.60 : x
  2. Step 2: Convert to fraction form
    21,411.27/32,123.89 = 9,563.60/x
  3. Step 3: Cross multiply
    21,411.27x = 32,123.89 × 9,563.60
  4. Step 4: Simplify right side
    21,411.27x = 307,220,034.40
  5. Step 5: Solve for x
    x = 307,220,034.40/21,411.27
  6. Step 6: Final answer
    x = 14,348.52

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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.