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Finding the Fourth Proportional to 84,887.44, 127,346.84 and 27,964.56

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Solution

The fourth proportional to 84,887.44, 127,346.84 and 27,964.56 is: 41,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,887.44 : 127,346.84 = 27,964.56 : x
  2. Step 2: Convert to fraction form
    84,887.44/127,346.84 = 27,964.56/x
  3. Step 3: Cross multiply
    84,887.44x = 127,346.84 × 27,964.56
  4. Step 4: Simplify right side
    84,887.44x = 3,561,198,347.99
  5. Step 5: Solve for x
    x = 3,561,198,347.99/84,887.44
  6. Step 6: Final answer
    x = 41,952.01

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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.