Home / 19,982.42-29,963.34-10,627.52

Finding the Fourth Proportional to 19,982.42, 29,963.34 and 10,627.52

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Solution

The fourth proportional to 19,982.42, 29,963.34 and 10,627.52 is: 15,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.42 : 29,963.34 = 10,627.52 : x
  2. Step 2: Convert to fraction form
    19,982.42/29,963.34 = 10,627.52/x
  3. Step 3: Cross multiply
    19,982.42x = 29,963.34 × 10,627.52
  4. Step 4: Simplify right side
    19,982.42x = 318,435,845.30
  5. Step 5: Solve for x
    x = 318,435,845.30/19,982.42
  6. Step 6: Final answer
    x = 15,935.80

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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.