Home / 27,450.09-41,177.16-9,920.07

Finding the Fourth Proportional to 27,450.09, 41,177.16 and 9,920.07

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Solution

The fourth proportional to 27,450.09, 41,177.16 and 9,920.07 is: 14,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,450.09 : 41,177.16 = 9,920.07 : x
  2. Step 2: Convert to fraction form
    27,450.09/41,177.16 = 9,920.07/x
  3. Step 3: Cross multiply
    27,450.09x = 41,177.16 × 9,920.07
  4. Step 4: Simplify right side
    27,450.09x = 408,480,309.60
  5. Step 5: Solve for x
    x = 408,480,309.60/27,450.09
  6. Step 6: Final answer
    x = 14,880.84

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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.