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Finding the Fourth Proportional to 25,998.77, 38,999.78 and 10,414.37

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Solution

The fourth proportional to 25,998.77, 38,999.78 and 10,414.37 is: 15,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.77 : 38,999.78 = 10,414.37 : x
  2. Step 2: Convert to fraction form
    25,998.77/38,999.78 = 10,414.37/x
  3. Step 3: Cross multiply
    25,998.77x = 38,999.78 × 10,414.37
  4. Step 4: Simplify right side
    25,998.77x = 406,158,138.84
  5. Step 5: Solve for x
    x = 406,158,138.84/25,998.77
  6. Step 6: Final answer
    x = 15,622.21

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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.