Home / 26,122.88-39,168.16-8,588

Finding the Fourth Proportional to 26,122.88, 39,168.16 and 8,588

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Solution

The fourth proportional to 26,122.88, 39,168.16 and 8,588 is: 12,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122.88 : 39,168.16 = 8,588 : x
  2. Step 2: Convert to fraction form
    26,122.88/39,168.16 = 8,588/x
  3. Step 3: Cross multiply
    26,122.88x = 39,168.16 × 8,588
  4. Step 4: Simplify right side
    26,122.88x = 336,376,158.08
  5. Step 5: Solve for x
    x = 336,376,158.08/26,122.88
  6. Step 6: Final answer
    x = 12,876.69

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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.