Home / 27,736.38-38,278.88-16,409.52

Finding the Fourth Proportional to 27,736.38, 38,278.88 and 16,409.52

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Solution

The fourth proportional to 27,736.38, 38,278.88 and 16,409.52 is: 22,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.38 : 38,278.88 = 16,409.52 : x
  2. Step 2: Convert to fraction form
    27,736.38/38,278.88 = 16,409.52/x
  3. Step 3: Cross multiply
    27,736.38x = 38,278.88 × 16,409.52
  4. Step 4: Simplify right side
    27,736.38x = 628,137,987.99
  5. Step 5: Solve for x
    x = 628,137,987.99/27,736.38
  6. Step 6: Final answer
    x = 22,646.72

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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.