Home / 26,144-39,225.92-12,110.76

Finding the Fourth Proportional to 26,144, 39,225.92 and 12,110.76

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Solution

The fourth proportional to 26,144, 39,225.92 and 12,110.76 is: 18,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,144 : 39,225.92 = 12,110.76 : x
  2. Step 2: Convert to fraction form
    26,144/39,225.92 = 12,110.76/x
  3. Step 3: Cross multiply
    26,144x = 39,225.92 × 12,110.76
  4. Step 4: Simplify right side
    26,144x = 475,055,702.90
  5. Step 5: Solve for x
    x = 475,055,702.90/26,144
  6. Step 6: Final answer
    x = 18,170.74

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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.