Home / 19,232.03-28,851.02-8,138.78

Finding the Fourth Proportional to 19,232.03, 28,851.02 and 8,138.78

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Solution

The fourth proportional to 19,232.03, 28,851.02 and 8,138.78 is: 12,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.03 : 28,851.02 = 8,138.78 : x
  2. Step 2: Convert to fraction form
    19,232.03/28,851.02 = 8,138.78/x
  3. Step 3: Cross multiply
    19,232.03x = 28,851.02 × 8,138.78
  4. Step 4: Simplify right side
    19,232.03x = 234,811,919.61
  5. Step 5: Solve for x
    x = 234,811,919.61/19,232.03
  6. Step 6: Final answer
    x = 12,209.42

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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.