Home / 25,288.32-37,940.07-11,971.46

Finding the Fourth Proportional to 25,288.32, 37,940.07 and 11,971.46

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Solution

The fourth proportional to 25,288.32, 37,940.07 and 11,971.46 is: 17,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.32 : 37,940.07 = 11,971.46 : x
  2. Step 2: Convert to fraction form
    25,288.32/37,940.07 = 11,971.46/x
  3. Step 3: Cross multiply
    25,288.32x = 37,940.07 × 11,971.46
  4. Step 4: Simplify right side
    25,288.32x = 454,198,202.61
  5. Step 5: Solve for x
    x = 454,198,202.61/25,288.32
  6. Step 6: Final answer
    x = 17,960.79

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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.