Home / 20,568.84-30,882.36-19,629.24

Finding the Fourth Proportional to 20,568.84, 30,882.36 and 19,629.24

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Solution

The fourth proportional to 20,568.84, 30,882.36 and 19,629.24 is: 29,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.84 : 30,882.36 = 19,629.24 : x
  2. Step 2: Convert to fraction form
    20,568.84/30,882.36 = 19,629.24/x
  3. Step 3: Cross multiply
    20,568.84x = 30,882.36 × 19,629.24
  4. Step 4: Simplify right side
    20,568.84x = 606,197,256.21
  5. Step 5: Solve for x
    x = 606,197,256.21/20,568.84
  6. Step 6: Final answer
    x = 29,471.63

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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.