Home / 20,542.44-30,832.92-10,688.70

Finding the Fourth Proportional to 20,542.44, 30,832.92 and 10,688.70

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Solution

The fourth proportional to 20,542.44, 30,832.92 and 10,688.70 is: 16,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.44 : 30,832.92 = 10,688.70 : x
  2. Step 2: Convert to fraction form
    20,542.44/30,832.92 = 10,688.70/x
  3. Step 3: Cross multiply
    20,542.44x = 30,832.92 × 10,688.70
  4. Step 4: Simplify right side
    20,542.44x = 329,563,832.00
  5. Step 5: Solve for x
    x = 329,563,832.00/20,542.44
  6. Step 6: Final answer
    x = 16,043.07

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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.