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Finding the Fourth Proportional to 17,375.76, 26,058.51 and 7,512.66

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Solution

The fourth proportional to 17,375.76, 26,058.51 and 7,512.66 is: 11,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.76 : 26,058.51 = 7,512.66 : x
  2. Step 2: Convert to fraction form
    17,375.76/26,058.51 = 7,512.66/x
  3. Step 3: Cross multiply
    17,375.76x = 26,058.51 × 7,512.66
  4. Step 4: Simplify right side
    17,375.76x = 195,768,725.74
  5. Step 5: Solve for x
    x = 195,768,725.74/17,375.76
  6. Step 6: Final answer
    x = 11,266.77

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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.