Home / 22,628.40-33,942.57-12,763.20

Finding the Fourth Proportional to 22,628.40, 33,942.57 and 12,763.20

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Solution

The fourth proportional to 22,628.40, 33,942.57 and 12,763.20 is: 19,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.40 : 33,942.57 = 12,763.20 : x
  2. Step 2: Convert to fraction form
    22,628.40/33,942.57 = 12,763.20/x
  3. Step 3: Cross multiply
    22,628.40x = 33,942.57 × 12,763.20
  4. Step 4: Simplify right side
    22,628.40x = 433,215,809.42
  5. Step 5: Solve for x
    x = 433,215,809.42/22,628.40
  6. Step 6: Final answer
    x = 19,144.78

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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.