Home / 27,431.24-37,855.44-16,100.96

Finding the Fourth Proportional to 27,431.24, 37,855.44 and 16,100.96

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Solution

The fourth proportional to 27,431.24, 37,855.44 and 16,100.96 is: 22,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.24 : 37,855.44 = 16,100.96 : x
  2. Step 2: Convert to fraction form
    27,431.24/37,855.44 = 16,100.96/x
  3. Step 3: Cross multiply
    27,431.24x = 37,855.44 × 16,100.96
  4. Step 4: Simplify right side
    27,431.24x = 609,508,735.95
  5. Step 5: Solve for x
    x = 609,508,735.95/27,431.24
  6. Step 6: Final answer
    x = 22,219.51

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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.