Home / 18,771.50-28,127.60-15,244.34

Finding the Fourth Proportional to 18,771.50, 28,127.60 and 15,244.34

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Solution

The fourth proportional to 18,771.50, 28,127.60 and 15,244.34 is: 22,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771.50 : 28,127.60 = 15,244.34 : x
  2. Step 2: Convert to fraction form
    18,771.50/28,127.60 = 15,244.34/x
  3. Step 3: Cross multiply
    18,771.50x = 28,127.60 × 15,244.34
  4. Step 4: Simplify right side
    18,771.50x = 428,786,697.78
  5. Step 5: Solve for x
    x = 428,786,697.78/18,771.50
  6. Step 6: Final answer
    x = 22,842.43

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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.