Home / 18,279.36-27,429.96-16,792.20

Finding the Fourth Proportional to 18,279.36, 27,429.96 and 16,792.20

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Solution

The fourth proportional to 18,279.36, 27,429.96 and 16,792.20 is: 25,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.36 : 27,429.96 = 16,792.20 : x
  2. Step 2: Convert to fraction form
    18,279.36/27,429.96 = 16,792.20/x
  3. Step 3: Cross multiply
    18,279.36x = 27,429.96 × 16,792.20
  4. Step 4: Simplify right side
    18,279.36x = 460,609,374.31
  5. Step 5: Solve for x
    x = 460,609,374.31/18,279.36
  6. Step 6: Final answer
    x = 25,198.33

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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.