Home / 26,668.51-40,004.13-11,878.48

Finding the Fourth Proportional to 26,668.51, 40,004.13 and 11,878.48

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Solution

The fourth proportional to 26,668.51, 40,004.13 and 11,878.48 is: 17,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,668.51 : 40,004.13 = 11,878.48 : x
  2. Step 2: Convert to fraction form
    26,668.51/40,004.13 = 11,878.48/x
  3. Step 3: Cross multiply
    26,668.51x = 40,004.13 × 11,878.48
  4. Step 4: Simplify right side
    26,668.51x = 475,188,258.12
  5. Step 5: Solve for x
    x = 475,188,258.12/26,668.51
  6. Step 6: Final answer
    x = 17,818.33

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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.