Home / 27,755.28-41,626.80-12,950.28

Finding the Fourth Proportional to 27,755.28, 41,626.80 and 12,950.28

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Solution

The fourth proportional to 27,755.28, 41,626.80 and 12,950.28 is: 19,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.28 : 41,626.80 = 12,950.28 : x
  2. Step 2: Convert to fraction form
    27,755.28/41,626.80 = 12,950.28/x
  3. Step 3: Cross multiply
    27,755.28x = 41,626.80 × 12,950.28
  4. Step 4: Simplify right side
    27,755.28x = 539,078,715.50
  5. Step 5: Solve for x
    x = 539,078,715.50/27,755.28
  6. Step 6: Final answer
    x = 19,422.56

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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.