Home / 22,429.28-30,934.23-19,734.68

Finding the Fourth Proportional to 22,429.28, 30,934.23 and 19,734.68

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Solution

The fourth proportional to 22,429.28, 30,934.23 and 19,734.68 is: 27,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.28 : 30,934.23 = 19,734.68 : x
  2. Step 2: Convert to fraction form
    22,429.28/30,934.23 = 19,734.68/x
  3. Step 3: Cross multiply
    22,429.28x = 30,934.23 × 19,734.68
  4. Step 4: Simplify right side
    22,429.28x = 610,477,130.10
  5. Step 5: Solve for x
    x = 610,477,130.10/22,429.28
  6. Step 6: Final answer
    x = 27,217.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.