Home / 28,193.98-42,286.34-8,469.04

Finding the Fourth Proportional to 28,193.98, 42,286.34 and 8,469.04

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Solution

The fourth proportional to 28,193.98, 42,286.34 and 8,469.04 is: 12,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.98 : 42,286.34 = 8,469.04 : x
  2. Step 2: Convert to fraction form
    28,193.98/42,286.34 = 8,469.04/x
  3. Step 3: Cross multiply
    28,193.98x = 42,286.34 × 8,469.04
  4. Step 4: Simplify right side
    28,193.98x = 358,124,704.91
  5. Step 5: Solve for x
    x = 358,124,704.91/28,193.98
  6. Step 6: Final answer
    x = 12,702.17

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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.