Home / 17,428.80-26,145.90-5,738.34

Finding the Fourth Proportional to 17,428.80, 26,145.90 and 5,738.34

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Solution

The fourth proportional to 17,428.80, 26,145.90 and 5,738.34 is: 8,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.80 : 26,145.90 = 5,738.34 : x
  2. Step 2: Convert to fraction form
    17,428.80/26,145.90 = 5,738.34/x
  3. Step 3: Cross multiply
    17,428.80x = 26,145.90 × 5,738.34
  4. Step 4: Simplify right side
    17,428.80x = 150,034,063.81
  5. Step 5: Solve for x
    x = 150,034,063.81/17,428.80
  6. Step 6: Final answer
    x = 8,608.40

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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.