Home / 28,321.42-39,073.83-17,562.43

Finding the Fourth Proportional to 28,321.42, 39,073.83 and 17,562.43

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Solution

The fourth proportional to 28,321.42, 39,073.83 and 17,562.43 is: 24,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.42 : 39,073.83 = 17,562.43 : x
  2. Step 2: Convert to fraction form
    28,321.42/39,073.83 = 17,562.43/x
  3. Step 3: Cross multiply
    28,321.42x = 39,073.83 × 17,562.43
  4. Step 4: Simplify right side
    28,321.42x = 686,231,121.03
  5. Step 5: Solve for x
    x = 686,231,121.03/28,321.42
  6. Step 6: Final answer
    x = 24,230.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.