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Finding the Fourth Proportional to 25,652.52, 38,408 and 13,145.92

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Solution

The fourth proportional to 25,652.52, 38,408 and 13,145.92 is: 19,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652.52 : 38,408 = 13,145.92 : x
  2. Step 2: Convert to fraction form
    25,652.52/38,408 = 13,145.92/x
  3. Step 3: Cross multiply
    25,652.52x = 38,408 × 13,145.92
  4. Step 4: Simplify right side
    25,652.52x = 504,908,495.36
  5. Step 5: Solve for x
    x = 504,908,495.36/25,652.52
  6. Step 6: Final answer
    x = 19,682.61

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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.