Home / 19,839.51-29,773.71-15,990.39

Finding the Fourth Proportional to 19,839.51, 29,773.71 and 15,990.39

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Solution

The fourth proportional to 19,839.51, 29,773.71 and 15,990.39 is: 23,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.51 : 29,773.71 = 15,990.39 : x
  2. Step 2: Convert to fraction form
    19,839.51/29,773.71 = 15,990.39/x
  3. Step 3: Cross multiply
    19,839.51x = 29,773.71 × 15,990.39
  4. Step 4: Simplify right side
    19,839.51x = 476,093,234.65
  5. Step 5: Solve for x
    x = 476,093,234.65/19,839.51
  6. Step 6: Final answer
    x = 23,997.23

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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.