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Finding the Fourth Proportional to 17,900.89, 24,721.56 and 13,417.54

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Solution

The fourth proportional to 17,900.89, 24,721.56 and 13,417.54 is: 18,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.89 : 24,721.56 = 13,417.54 : x
  2. Step 2: Convert to fraction form
    17,900.89/24,721.56 = 13,417.54/x
  3. Step 3: Cross multiply
    17,900.89x = 24,721.56 × 13,417.54
  4. Step 4: Simplify right side
    17,900.89x = 331,702,520.16
  5. Step 5: Solve for x
    x = 331,702,520.16/17,900.89
  6. Step 6: Final answer
    x = 18,529.95

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