Home / 26,672.25-36,806.28-15,339.95

Finding the Fourth Proportional to 26,672.25, 36,806.28 and 15,339.95

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Solution

The fourth proportional to 26,672.25, 36,806.28 and 15,339.95 is: 21,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.25 : 36,806.28 = 15,339.95 : x
  2. Step 2: Convert to fraction form
    26,672.25/36,806.28 = 15,339.95/x
  3. Step 3: Cross multiply
    26,672.25x = 36,806.28 × 15,339.95
  4. Step 4: Simplify right side
    26,672.25x = 564,606,310.85
  5. Step 5: Solve for x
    x = 564,606,310.85/26,672.25
  6. Step 6: Final answer
    x = 21,168.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.