Home / 19,242.28-28,797.78-11,851.84

Finding the Fourth Proportional to 19,242.28, 28,797.78 and 11,851.84

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Solution

The fourth proportional to 19,242.28, 28,797.78 and 11,851.84 is: 17,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.28 : 28,797.78 = 11,851.84 : x
  2. Step 2: Convert to fraction form
    19,242.28/28,797.78 = 11,851.84/x
  3. Step 3: Cross multiply
    19,242.28x = 28,797.78 × 11,851.84
  4. Step 4: Simplify right side
    19,242.28x = 341,306,680.92
  5. Step 5: Solve for x
    x = 341,306,680.92/19,242.28
  6. Step 6: Final answer
    x = 17,737.33

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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.