Home / 25,927.20-38,803.32-21,553.20

Finding the Fourth Proportional to 25,927.20, 38,803.32 and 21,553.20

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Solution

The fourth proportional to 25,927.20, 38,803.32 and 21,553.20 is: 32,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,927.20 : 38,803.32 = 21,553.20 : x
  2. Step 2: Convert to fraction form
    25,927.20/38,803.32 = 21,553.20/x
  3. Step 3: Cross multiply
    25,927.20x = 38,803.32 × 21,553.20
  4. Step 4: Simplify right side
    25,927.20x = 836,335,716.62
  5. Step 5: Solve for x
    x = 836,335,716.62/25,927.20
  6. Step 6: Final answer
    x = 32,257.08

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1.5x scale

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.