Home / 27,636.48-38,131.20-16,450.56

Finding the Fourth Proportional to 27,636.48, 38,131.20 and 16,450.56

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Solution

The fourth proportional to 27,636.48, 38,131.20 and 16,450.56 is: 22,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,636.48 : 38,131.20 = 16,450.56 : x
  2. Step 2: Convert to fraction form
    27,636.48/38,131.20 = 16,450.56/x
  3. Step 3: Cross multiply
    27,636.48x = 38,131.20 × 16,450.56
  4. Step 4: Simplify right side
    27,636.48x = 627,279,593.47
  5. Step 5: Solve for x
    x = 627,279,593.47/27,636.48
  6. Step 6: Final answer
    x = 22,697.52

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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.