Home / 20,364.72-30,542.22-14,882.64

Finding the Fourth Proportional to 20,364.72, 30,542.22 and 14,882.64

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Solution

The fourth proportional to 20,364.72, 30,542.22 and 14,882.64 is: 22,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.72 : 30,542.22 = 14,882.64 : x
  2. Step 2: Convert to fraction form
    20,364.72/30,542.22 = 14,882.64/x
  3. Step 3: Cross multiply
    20,364.72x = 30,542.22 × 14,882.64
  4. Step 4: Simplify right side
    20,364.72x = 454,548,865.06
  5. Step 5: Solve for x
    x = 454,548,865.06/20,364.72
  6. Step 6: Final answer
    x = 22,320.41

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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.