Home / 20,328.29-27,990.73-17,796.23

Finding the Fourth Proportional to 20,328.29, 27,990.73 and 17,796.23

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Solution

The fourth proportional to 20,328.29, 27,990.73 and 17,796.23 is: 24,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328.29 : 27,990.73 = 17,796.23 : x
  2. Step 2: Convert to fraction form
    20,328.29/27,990.73 = 17,796.23/x
  3. Step 3: Cross multiply
    20,328.29x = 27,990.73 × 17,796.23
  4. Step 4: Simplify right side
    20,328.29x = 498,129,468.95
  5. Step 5: Solve for x
    x = 498,129,468.95/20,328.29
  6. Step 6: Final answer
    x = 24,504.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.