Home / 17,608.42-26,416.96-5,128.55

Finding the Fourth Proportional to 17,608.42, 26,416.96 and 5,128.55

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Solution

The fourth proportional to 17,608.42, 26,416.96 and 5,128.55 is: 7,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.42 : 26,416.96 = 5,128.55 : x
  2. Step 2: Convert to fraction form
    17,608.42/26,416.96 = 5,128.55/x
  3. Step 3: Cross multiply
    17,608.42x = 26,416.96 × 5,128.55
  4. Step 4: Simplify right side
    17,608.42x = 135,480,700.21
  5. Step 5: Solve for x
    x = 135,480,700.21/17,608.42
  6. Step 6: Final answer
    x = 7,694.09

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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.