Home / 17,274.79-25,911.41-5,428.27

Finding the Fourth Proportional to 17,274.79, 25,911.41 and 5,428.27

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Solution

The fourth proportional to 17,274.79, 25,911.41 and 5,428.27 is: 8,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,274.79 : 25,911.41 = 5,428.27 : x
  2. Step 2: Convert to fraction form
    17,274.79/25,911.41 = 5,428.27/x
  3. Step 3: Cross multiply
    17,274.79x = 25,911.41 × 5,428.27
  4. Step 4: Simplify right side
    17,274.79x = 140,654,129.56
  5. Step 5: Solve for x
    x = 140,654,129.56/17,274.79
  6. Step 6: Final answer
    x = 8,142.16

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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.