Home / 18,842.35-25,937.19-16,288.93

Finding the Fourth Proportional to 18,842.35, 25,937.19 and 16,288.93

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Solution

The fourth proportional to 18,842.35, 25,937.19 and 16,288.93 is: 22,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.35 : 25,937.19 = 16,288.93 : x
  2. Step 2: Convert to fraction form
    18,842.35/25,937.19 = 16,288.93/x
  3. Step 3: Cross multiply
    18,842.35x = 25,937.19 × 16,288.93
  4. Step 4: Simplify right side
    18,842.35x = 422,489,072.31
  5. Step 5: Solve for x
    x = 422,489,072.31/18,842.35
  6. Step 6: Final answer
    x = 22,422.31

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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.