Home / 20,388.14-30,576.68-5,593.56

Finding the Fourth Proportional to 20,388.14, 30,576.68 and 5,593.56

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Solution

The fourth proportional to 20,388.14, 30,576.68 and 5,593.56 is: 8,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,388.14 : 30,576.68 = 5,593.56 : x
  2. Step 2: Convert to fraction form
    20,388.14/30,576.68 = 5,593.56/x
  3. Step 3: Cross multiply
    20,388.14x = 30,576.68 × 5,593.56
  4. Step 4: Simplify right side
    20,388.14x = 171,032,466.21
  5. Step 5: Solve for x
    x = 171,032,466.21/20,388.14
  6. Step 6: Final answer
    x = 8,388.82

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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.