Home / 25,608.96-35,346.24-21,409.92

Finding the Fourth Proportional to 25,608.96, 35,346.24 and 21,409.92

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Solution

The fourth proportional to 25,608.96, 35,346.24 and 21,409.92 is: 29,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.96 : 35,346.24 = 21,409.92 : x
  2. Step 2: Convert to fraction form
    25,608.96/35,346.24 = 21,409.92/x
  3. Step 3: Cross multiply
    25,608.96x = 35,346.24 × 21,409.92
  4. Step 4: Simplify right side
    25,608.96x = 756,760,170.70
  5. Step 5: Solve for x
    x = 756,760,170.70/25,608.96
  6. Step 6: Final answer
    x = 29,550.60

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1.5x scale

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.