Home / 17,626.43-26,434.43-5,142.52

Finding the Fourth Proportional to 17,626.43, 26,434.43 and 5,142.52

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Solution

The fourth proportional to 17,626.43, 26,434.43 and 5,142.52 is: 7,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626.43 : 26,434.43 = 5,142.52 : x
  2. Step 2: Convert to fraction form
    17,626.43/26,434.43 = 5,142.52/x
  3. Step 3: Cross multiply
    17,626.43x = 26,434.43 × 5,142.52
  4. Step 4: Simplify right side
    17,626.43x = 135,939,640.51
  5. Step 5: Solve for x
    x = 135,939,640.51/17,626.43
  6. Step 6: Final answer
    x = 7,712.26

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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.