Home / 27,328.20-37,668.60-21,349.44

Finding the Fourth Proportional to 27,328.20, 37,668.60 and 21,349.44

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Solution

The fourth proportional to 27,328.20, 37,668.60 and 21,349.44 is: 29,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.20 : 37,668.60 = 21,349.44 : x
  2. Step 2: Convert to fraction form
    27,328.20/37,668.60 = 21,349.44/x
  3. Step 3: Cross multiply
    27,328.20x = 37,668.60 × 21,349.44
  4. Step 4: Simplify right side
    27,328.20x = 804,203,515.58
  5. Step 5: Solve for x
    x = 804,203,515.58/27,328.20
  6. Step 6: Final answer
    x = 29,427.61

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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.