Home / 20,318.29-27,976.94-17,786.23

Finding the Fourth Proportional to 20,318.29, 27,976.94 and 17,786.23

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Solution

The fourth proportional to 20,318.29, 27,976.94 and 17,786.23 is: 24,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318.29 : 27,976.94 = 17,786.23 : x
  2. Step 2: Convert to fraction form
    20,318.29/27,976.94 = 17,786.23/x
  3. Step 3: Cross multiply
    20,318.29x = 27,976.94 × 17,786.23
  4. Step 4: Simplify right side
    20,318.29x = 497,604,200.61
  5. Step 5: Solve for x
    x = 497,604,200.61/20,318.29
  6. Step 6: Final answer
    x = 24,490.46

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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.