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Finding the Fourth Proportional to 25,059, 34,581.50 and 13,881

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Solution

The fourth proportional to 25,059, 34,581.50 and 13,881 is: 19,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,059 : 34,581.50 = 13,881 : x
  2. Step 2: Convert to fraction form
    25,059/34,581.50 = 13,881/x
  3. Step 3: Cross multiply
    25,059x = 34,581.50 × 13,881
  4. Step 4: Simplify right side
    25,059x = 480,025,732.10
  5. Step 5: Solve for x
    x = 480,025,732.10/25,059
  6. Step 6: Final answer
    x = 19,155.82

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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.