Home / 20,278.92-30,418.38-14,767.34

Finding the Fourth Proportional to 20,278.92, 30,418.38 and 14,767.34

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Solution

The fourth proportional to 20,278.92, 30,418.38 and 14,767.34 is: 22,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,278.92 : 30,418.38 = 14,767.34 : x
  2. Step 2: Convert to fraction form
    20,278.92/30,418.38 = 14,767.34/x
  3. Step 3: Cross multiply
    20,278.92x = 30,418.38 × 14,767.34
  4. Step 4: Simplify right side
    20,278.92x = 449,198,559.71
  5. Step 5: Solve for x
    x = 449,198,559.71/20,278.92
  6. Step 6: Final answer
    x = 22,151.01

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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.