Home / 22,915.20-34,372.80-17,083.20

Finding the Fourth Proportional to 22,915.20, 34,372.80 and 17,083.20

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Solution

The fourth proportional to 22,915.20, 34,372.80 and 17,083.20 is: 25,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.20 : 34,372.80 = 17,083.20 : x
  2. Step 2: Convert to fraction form
    22,915.20/34,372.80 = 17,083.20/x
  3. Step 3: Cross multiply
    22,915.20x = 34,372.80 × 17,083.20
  4. Step 4: Simplify right side
    22,915.20x = 587,197,416.96
  5. Step 5: Solve for x
    x = 587,197,416.96/22,915.20
  6. Step 6: Final answer
    x = 25,624.80

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1.5x scale

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.