Home / 17,278.20-25,941.60-10,717.20

Finding the Fourth Proportional to 17,278.20, 25,941.60 and 10,717.20

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Solution

The fourth proportional to 17,278.20, 25,941.60 and 10,717.20 is: 16,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.20 : 25,941.60 = 10,717.20 : x
  2. Step 2: Convert to fraction form
    17,278.20/25,941.60 = 10,717.20/x
  3. Step 3: Cross multiply
    17,278.20x = 25,941.60 × 10,717.20
  4. Step 4: Simplify right side
    17,278.20x = 278,021,315.52
  5. Step 5: Solve for x
    x = 278,021,315.52/17,278.20
  6. Step 6: Final answer
    x = 16,090.87

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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.