Home / 19,442.20-29,163.30-18,016.60

Finding the Fourth Proportional to 19,442.20, 29,163.30 and 18,016.60

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Solution

The fourth proportional to 19,442.20, 29,163.30 and 18,016.60 is: 27,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.20 : 29,163.30 = 18,016.60 : x
  2. Step 2: Convert to fraction form
    19,442.20/29,163.30 = 18,016.60/x
  3. Step 3: Cross multiply
    19,442.20x = 29,163.30 × 18,016.60
  4. Step 4: Simplify right side
    19,442.20x = 525,423,510.78
  5. Step 5: Solve for x
    x = 525,423,510.78/19,442.20
  6. Step 6: Final answer
    x = 27,024.90

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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.