Home / 27,378.32-37,785.96-16,628.63

Finding the Fourth Proportional to 27,378.32, 37,785.96 and 16,628.63

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Solution

The fourth proportional to 27,378.32, 37,785.96 and 16,628.63 is: 22,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.32 : 37,785.96 = 16,628.63 : x
  2. Step 2: Convert to fraction form
    27,378.32/37,785.96 = 16,628.63/x
  3. Step 3: Cross multiply
    27,378.32x = 37,785.96 × 16,628.63
  4. Step 4: Simplify right side
    27,378.32x = 628,328,559.11
  5. Step 5: Solve for x
    x = 628,328,559.11/27,378.32
  6. Step 6: Final answer
    x = 22,949.86

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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.