Home / 27,085.54-40,623.33-12,290.90

Finding the Fourth Proportional to 27,085.54, 40,623.33 and 12,290.90

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Solution

The fourth proportional to 27,085.54, 40,623.33 and 12,290.90 is: 18,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.54 : 40,623.33 = 12,290.90 : x
  2. Step 2: Convert to fraction form
    27,085.54/40,623.33 = 12,290.90/x
  3. Step 3: Cross multiply
    27,085.54x = 40,623.33 × 12,290.90
  4. Step 4: Simplify right side
    27,085.54x = 499,297,286.70
  5. Step 5: Solve for x
    x = 499,297,286.70/27,085.54
  6. Step 6: Final answer
    x = 18,434.09

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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.