Home / 27,480.39-37,906.75-16,862.50

Finding the Fourth Proportional to 27,480.39, 37,906.75 and 16,862.50

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Solution

The fourth proportional to 27,480.39, 37,906.75 and 16,862.50 is: 23,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.39 : 37,906.75 = 16,862.50 : x
  2. Step 2: Convert to fraction form
    27,480.39/37,906.75 = 16,862.50/x
  3. Step 3: Cross multiply
    27,480.39x = 37,906.75 × 16,862.50
  4. Step 4: Simplify right side
    27,480.39x = 639,202,571.88
  5. Step 5: Solve for x
    x = 639,202,571.88/27,480.39
  6. Step 6: Final answer
    x = 23,260.32

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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.