Home / 27,936.56-38,546.93-15,672.36

Finding the Fourth Proportional to 27,936.56, 38,546.93 and 15,672.36

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Solution

The fourth proportional to 27,936.56, 38,546.93 and 15,672.36 is: 21,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.56 : 38,546.93 = 15,672.36 : x
  2. Step 2: Convert to fraction form
    27,936.56/38,546.93 = 15,672.36/x
  3. Step 3: Cross multiply
    27,936.56x = 38,546.93 × 15,672.36
  4. Step 4: Simplify right side
    27,936.56x = 604,121,285.49
  5. Step 5: Solve for x
    x = 604,121,285.49/27,936.56
  6. Step 6: Final answer
    x = 21,624.76

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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.