Home / 84,939.27-127,408.91-25,775.25

Finding the Fourth Proportional to 84,939.27, 127,408.91 and 25,775.25

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Solution

The fourth proportional to 84,939.27, 127,408.91 and 25,775.25 is: 38,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,939.27 : 127,408.91 = 25,775.25 : x
  2. Step 2: Convert to fraction form
    84,939.27/127,408.91 = 25,775.25/x
  3. Step 3: Cross multiply
    84,939.27x = 127,408.91 × 25,775.25
  4. Step 4: Simplify right side
    84,939.27x = 3,283,996,378.60
  5. Step 5: Solve for x
    x = 3,283,996,378.60/84,939.27
  6. Step 6: Final answer
    x = 38,662.88

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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.