Home / 18,291.24-25,284.42-16,321.32

Finding the Fourth Proportional to 18,291.24, 25,284.42 and 16,321.32

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Solution

The fourth proportional to 18,291.24, 25,284.42 and 16,321.32 is: 22,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.24 : 25,284.42 = 16,321.32 : x
  2. Step 2: Convert to fraction form
    18,291.24/25,284.42 = 16,321.32/x
  3. Step 3: Cross multiply
    18,291.24x = 25,284.42 × 16,321.32
  4. Step 4: Simplify right side
    18,291.24x = 412,675,109.83
  5. Step 5: Solve for x
    x = 412,675,109.83/18,291.24
  6. Step 6: Final answer
    x = 22,561.35

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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.