Home / 25,859.94-38,753.44-11,785.38

Finding the Fourth Proportional to 25,859.94, 38,753.44 and 11,785.38

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Solution

The fourth proportional to 25,859.94, 38,753.44 and 11,785.38 is: 17,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.94 : 38,753.44 = 11,785.38 : x
  2. Step 2: Convert to fraction form
    25,859.94/38,753.44 = 11,785.38/x
  3. Step 3: Cross multiply
    25,859.94x = 38,753.44 × 11,785.38
  4. Step 4: Simplify right side
    25,859.94x = 456,724,016.71
  5. Step 5: Solve for x
    x = 456,724,016.71/25,859.94
  6. Step 6: Final answer
    x = 17,661.45

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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.