Home / 27,702.16-41,559-12,115.60

Finding the Fourth Proportional to 27,702.16, 41,559 and 12,115.60

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Solution

The fourth proportional to 27,702.16, 41,559 and 12,115.60 is: 18,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702.16 : 41,559 = 12,115.60 : x
  2. Step 2: Convert to fraction form
    27,702.16/41,559 = 12,115.60/x
  3. Step 3: Cross multiply
    27,702.16x = 41,559 × 12,115.60
  4. Step 4: Simplify right side
    27,702.16x = 503,512,220.40
  5. Step 5: Solve for x
    x = 503,512,220.40/27,702.16
  6. Step 6: Final answer
    x = 18,175.92

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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.