Home / 27,608.94-38,100.78-15,033.69

Finding the Fourth Proportional to 27,608.94, 38,100.78 and 15,033.69

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Solution

The fourth proportional to 27,608.94, 38,100.78 and 15,033.69 is: 20,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.94 : 38,100.78 = 15,033.69 : x
  2. Step 2: Convert to fraction form
    27,608.94/38,100.78 = 15,033.69/x
  3. Step 3: Cross multiply
    27,608.94x = 38,100.78 × 15,033.69
  4. Step 4: Simplify right side
    27,608.94x = 572,795,315.28
  5. Step 5: Solve for x
    x = 572,795,315.28/27,608.94
  6. Step 6: Final answer
    x = 20,746.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.