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Finding the Fourth Proportional to 26,106, 36,028.44 and 14,930.16

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Solution

The fourth proportional to 26,106, 36,028.44 and 14,930.16 is: 20,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106 : 36,028.44 = 14,930.16 : x
  2. Step 2: Convert to fraction form
    26,106/36,028.44 = 14,930.16/x
  3. Step 3: Cross multiply
    26,106x = 36,028.44 × 14,930.16
  4. Step 4: Simplify right side
    26,106x = 537,910,373.75
  5. Step 5: Solve for x
    x = 537,910,373.75/26,106
  6. Step 6: Final answer
    x = 20,604.86

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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.