Home / 18,308.54-27,397.20-15,851.84

Finding the Fourth Proportional to 18,308.54, 27,397.20 and 15,851.84

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Solution

The fourth proportional to 18,308.54, 27,397.20 and 15,851.84 is: 23,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.54 : 27,397.20 = 15,851.84 : x
  2. Step 2: Convert to fraction form
    18,308.54/27,397.20 = 15,851.84/x
  3. Step 3: Cross multiply
    18,308.54x = 27,397.20 × 15,851.84
  4. Step 4: Simplify right side
    18,308.54x = 434,296,030.85
  5. Step 5: Solve for x
    x = 434,296,030.85/18,308.54
  6. Step 6: Final answer
    x = 23,720.95

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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.