Home / 19,986.54-29,954.16-16,902.96

Finding the Fourth Proportional to 19,986.54, 29,954.16 and 16,902.96

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Solution

The fourth proportional to 19,986.54, 29,954.16 and 16,902.96 is: 25,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.54 : 29,954.16 = 16,902.96 : x
  2. Step 2: Convert to fraction form
    19,986.54/29,954.16 = 16,902.96/x
  3. Step 3: Cross multiply
    19,986.54x = 29,954.16 × 16,902.96
  4. Step 4: Simplify right side
    19,986.54x = 506,313,968.31
  5. Step 5: Solve for x
    x = 506,313,968.31/19,986.54
  6. Step 6: Final answer
    x = 25,332.75

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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.