Home / 25,990.60-35,845.14-20,015.56

Finding the Fourth Proportional to 25,990.60, 35,845.14 and 20,015.56

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Solution

The fourth proportional to 25,990.60, 35,845.14 and 20,015.56 is: 27,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.60 : 35,845.14 = 20,015.56 : x
  2. Step 2: Convert to fraction form
    25,990.60/35,845.14 = 20,015.56/x
  3. Step 3: Cross multiply
    25,990.60x = 35,845.14 × 20,015.56
  4. Step 4: Simplify right side
    25,990.60x = 717,460,550.38
  5. Step 5: Solve for x
    x = 717,460,550.38/25,990.60
  6. Step 6: Final answer
    x = 27,604.62

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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.