Home / 20,027.70-27,629.55-12,065.36

Finding the Fourth Proportional to 20,027.70, 27,629.55 and 12,065.36

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Solution

The fourth proportional to 20,027.70, 27,629.55 and 12,065.36 is: 16,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.70 : 27,629.55 = 12,065.36 : x
  2. Step 2: Convert to fraction form
    20,027.70/27,629.55 = 12,065.36/x
  3. Step 3: Cross multiply
    20,027.70x = 27,629.55 × 12,065.36
  4. Step 4: Simplify right side
    20,027.70x = 333,360,329.24
  5. Step 5: Solve for x
    x = 333,360,329.24/20,027.70
  6. Step 6: Final answer
    x = 16,644.96

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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.