Home / 22,477.64-33,760.20-18,320.72

Finding the Fourth Proportional to 22,477.64, 33,760.20 and 18,320.72

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Solution

The fourth proportional to 22,477.64, 33,760.20 and 18,320.72 is: 27,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477.64 : 33,760.20 = 18,320.72 : x
  2. Step 2: Convert to fraction form
    22,477.64/33,760.20 = 18,320.72/x
  3. Step 3: Cross multiply
    22,477.64x = 33,760.20 × 18,320.72
  4. Step 4: Simplify right side
    22,477.64x = 618,511,171.34
  5. Step 5: Solve for x
    x = 618,511,171.34/22,477.64
  6. Step 6: Final answer
    x = 27,516.73

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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.