Home / 20,050.35-27,664.87-11,982.48

Finding the Fourth Proportional to 20,050.35, 27,664.87 and 11,982.48

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Solution

The fourth proportional to 20,050.35, 27,664.87 and 11,982.48 is: 16,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.35 : 27,664.87 = 11,982.48 : x
  2. Step 2: Convert to fraction form
    20,050.35/27,664.87 = 11,982.48/x
  3. Step 3: Cross multiply
    20,050.35x = 27,664.87 × 11,982.48
  4. Step 4: Simplify right side
    20,050.35x = 331,493,762.16
  5. Step 5: Solve for x
    x = 331,493,762.16/20,050.35
  6. Step 6: Final answer
    x = 16,533.07

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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.