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Finding the Fourth Proportional to 25,689.62, 38,537.51 and 10,896.62

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Solution

The fourth proportional to 25,689.62, 38,537.51 and 10,896.62 is: 16,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.62 : 38,537.51 = 10,896.62 : x
  2. Step 2: Convert to fraction form
    25,689.62/38,537.51 = 10,896.62/x
  3. Step 3: Cross multiply
    25,689.62x = 38,537.51 × 10,896.62
  4. Step 4: Simplify right side
    25,689.62x = 419,928,355.05
  5. Step 5: Solve for x
    x = 419,928,355.05/25,689.62
  6. Step 6: Final answer
    x = 16,346.23

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1.5x scale

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.