Home / 27,578.32-38,045.88-16,961.68

Finding the Fourth Proportional to 27,578.32, 38,045.88 and 16,961.68

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Solution

The fourth proportional to 27,578.32, 38,045.88 and 16,961.68 is: 23,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.32 : 38,045.88 = 16,961.68 : x
  2. Step 2: Convert to fraction form
    27,578.32/38,045.88 = 16,961.68/x
  3. Step 3: Cross multiply
    27,578.32x = 38,045.88 × 16,961.68
  4. Step 4: Simplify right side
    27,578.32x = 645,322,041.88
  5. Step 5: Solve for x
    x = 645,322,041.88/27,578.32
  6. Step 6: Final answer
    x = 23,399.61

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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.