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Finding the Fourth Proportional to 26,503.96, 36,564.96 and 17,078

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Solution

The fourth proportional to 26,503.96, 36,564.96 and 17,078 is: 23,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.96 : 36,564.96 = 17,078 : x
  2. Step 2: Convert to fraction form
    26,503.96/36,564.96 = 17,078/x
  3. Step 3: Cross multiply
    26,503.96x = 36,564.96 × 17,078
  4. Step 4: Simplify right side
    26,503.96x = 624,456,386.88
  5. Step 5: Solve for x
    x = 624,456,386.88/26,503.96
  6. Step 6: Final answer
    x = 23,560.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.