Home / 27,900.28-41,853.16-9,172.72

Finding the Fourth Proportional to 27,900.28, 41,853.16 and 9,172.72

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Solution

The fourth proportional to 27,900.28, 41,853.16 and 9,172.72 is: 13,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.28 : 41,853.16 = 9,172.72 : x
  2. Step 2: Convert to fraction form
    27,900.28/41,853.16 = 9,172.72/x
  3. Step 3: Cross multiply
    27,900.28x = 41,853.16 × 9,172.72
  4. Step 4: Simplify right side
    27,900.28x = 383,907,317.80
  5. Step 5: Solve for x
    x = 383,907,317.80/27,900.28
  6. Step 6: Final answer
    x = 13,759.98

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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.