Home / 27,450.35-41,126.88-12,628.16

Finding the Fourth Proportional to 27,450.35, 41,126.88 and 12,628.16

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Solution

The fourth proportional to 27,450.35, 41,126.88 and 12,628.16 is: 18,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,450.35 : 41,126.88 = 12,628.16 : x
  2. Step 2: Convert to fraction form
    27,450.35/41,126.88 = 12,628.16/x
  3. Step 3: Cross multiply
    27,450.35x = 41,126.88 × 12,628.16
  4. Step 4: Simplify right side
    27,450.35x = 519,356,820.94
  5. Step 5: Solve for x
    x = 519,356,820.94/27,450.35
  6. Step 6: Final answer
    x = 18,919.86

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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.