Home / 28,968.10-39,982.22-17,641.34

Finding the Fourth Proportional to 28,968.10, 39,982.22 and 17,641.34

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Solution

The fourth proportional to 28,968.10, 39,982.22 and 17,641.34 is: 24,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.10 : 39,982.22 = 17,641.34 : x
  2. Step 2: Convert to fraction form
    28,968.10/39,982.22 = 17,641.34/x
  3. Step 3: Cross multiply
    28,968.10x = 39,982.22 × 17,641.34
  4. Step 4: Simplify right side
    28,968.10x = 705,339,936.97
  5. Step 5: Solve for x
    x = 705,339,936.97/28,968.10
  6. Step 6: Final answer
    x = 24,348.85

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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.