Home / 18,909.02-28,324.24-15,977.02

Finding the Fourth Proportional to 18,909.02, 28,324.24 and 15,977.02

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Solution

The fourth proportional to 18,909.02, 28,324.24 and 15,977.02 is: 23,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909.02 : 28,324.24 = 15,977.02 : x
  2. Step 2: Convert to fraction form
    18,909.02/28,324.24 = 15,977.02/x
  3. Step 3: Cross multiply
    18,909.02x = 28,324.24 × 15,977.02
  4. Step 4: Simplify right side
    18,909.02x = 452,536,948.96
  5. Step 5: Solve for x
    x = 452,536,948.96/18,909.02
  6. Step 6: Final answer
    x = 23,932.33

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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.