Home / 25,995.09-38,961.72-11,943.21

Finding the Fourth Proportional to 25,995.09, 38,961.72 and 11,943.21

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Solution

The fourth proportional to 25,995.09, 38,961.72 and 11,943.21 is: 17,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,995.09 : 38,961.72 = 11,943.21 : x
  2. Step 2: Convert to fraction form
    25,995.09/38,961.72 = 11,943.21/x
  3. Step 3: Cross multiply
    25,995.09x = 38,961.72 × 11,943.21
  4. Step 4: Simplify right side
    25,995.09x = 465,328,003.92
  5. Step 5: Solve for x
    x = 465,328,003.92/25,995.09
  6. Step 6: Final answer
    x = 17,900.61

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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.