Home / 25,944.49-38,921.60-8,412.04

Finding the Fourth Proportional to 25,944.49, 38,921.60 and 8,412.04

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Solution

The fourth proportional to 25,944.49, 38,921.60 and 8,412.04 is: 12,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,944.49 : 38,921.60 = 8,412.04 : x
  2. Step 2: Convert to fraction form
    25,944.49/38,921.60 = 8,412.04/x
  3. Step 3: Cross multiply
    25,944.49x = 38,921.60 × 8,412.04
  4. Step 4: Simplify right side
    25,944.49x = 327,410,056.06
  5. Step 5: Solve for x
    x = 327,410,056.06/25,944.49
  6. Step 6: Final answer
    x = 12,619.64

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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.