Home / 27,928.97-41,887.30-17,903.60

Finding the Fourth Proportional to 27,928.97, 41,887.30 and 17,903.60

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Solution

The fourth proportional to 27,928.97, 41,887.30 and 17,903.60 is: 26,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.97 : 41,887.30 = 17,903.60 : x
  2. Step 2: Convert to fraction form
    27,928.97/41,887.30 = 17,903.60/x
  3. Step 3: Cross multiply
    27,928.97x = 41,887.30 × 17,903.60
  4. Step 4: Simplify right side
    27,928.97x = 749,933,464.28
  5. Step 5: Solve for x
    x = 749,933,464.28/27,928.97
  6. Step 6: Final answer
    x = 26,851.45

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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.