Home / 27,379.20-37,782.72-16,204.80

Finding the Fourth Proportional to 27,379.20, 37,782.72 and 16,204.80

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Solution

The fourth proportional to 27,379.20, 37,782.72 and 16,204.80 is: 22,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.20 : 37,782.72 = 16,204.80 : x
  2. Step 2: Convert to fraction form
    27,379.20/37,782.72 = 16,204.80/x
  3. Step 3: Cross multiply
    27,379.20x = 37,782.72 × 16,204.80
  4. Step 4: Simplify right side
    27,379.20x = 612,261,421.06
  5. Step 5: Solve for x
    x = 612,261,421.06/27,379.20
  6. Step 6: Final answer
    x = 22,362.28

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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.