Home / 17,942.68-26,872.28-17,319.76

Finding the Fourth Proportional to 17,942.68, 26,872.28 and 17,319.76

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Solution

The fourth proportional to 17,942.68, 26,872.28 and 17,319.76 is: 25,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.68 : 26,872.28 = 17,319.76 : x
  2. Step 2: Convert to fraction form
    17,942.68/26,872.28 = 17,319.76/x
  3. Step 3: Cross multiply
    17,942.68x = 26,872.28 × 17,319.76
  4. Step 4: Simplify right side
    17,942.68x = 465,421,440.25
  5. Step 5: Solve for x
    x = 465,421,440.25/17,942.68
  6. Step 6: Final answer
    x = 25,939.35

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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.