Home / 19,998.60-29,933.10-17,665.80

Finding the Fourth Proportional to 19,998.60, 29,933.10 and 17,665.80

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Solution

The fourth proportional to 19,998.60, 29,933.10 and 17,665.80 is: 26,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.60 : 29,933.10 = 17,665.80 : x
  2. Step 2: Convert to fraction form
    19,998.60/29,933.10 = 17,665.80/x
  3. Step 3: Cross multiply
    19,998.60x = 29,933.10 × 17,665.80
  4. Step 4: Simplify right side
    19,998.60x = 528,792,157.98
  5. Step 5: Solve for x
    x = 528,792,157.98/19,998.60
  6. Step 6: Final answer
    x = 26,441.46

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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.