Home / 25,690.37-38,539.16-7,922.45

Finding the Fourth Proportional to 25,690.37, 38,539.16 and 7,922.45

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Solution

The fourth proportional to 25,690.37, 38,539.16 and 7,922.45 is: 11,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.37 : 38,539.16 = 7,922.45 : x
  2. Step 2: Convert to fraction form
    25,690.37/38,539.16 = 7,922.45/x
  3. Step 3: Cross multiply
    25,690.37x = 38,539.16 × 7,922.45
  4. Step 4: Simplify right side
    25,690.37x = 305,324,568.14
  5. Step 5: Solve for x
    x = 305,324,568.14/25,690.37
  6. Step 6: Final answer
    x = 11,884.79

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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.