Home / 27,375.32-37,733.46-21,396.44

Finding the Fourth Proportional to 27,375.32, 37,733.46 and 21,396.44

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Solution

The fourth proportional to 27,375.32, 37,733.46 and 21,396.44 is: 29,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.32 : 37,733.46 = 21,396.44 : x
  2. Step 2: Convert to fraction form
    27,375.32/37,733.46 = 21,396.44/x
  3. Step 3: Cross multiply
    27,375.32x = 37,733.46 × 21,396.44
  4. Step 4: Simplify right side
    27,375.32x = 807,361,712.88
  5. Step 5: Solve for x
    x = 807,361,712.88/27,375.32
  6. Step 6: Final answer
    x = 29,492.32

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1.5x scale

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.