Home / 27,630.72-41,439.36-13,776.48

Finding the Fourth Proportional to 27,630.72, 41,439.36 and 13,776.48

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Solution

The fourth proportional to 27,630.72, 41,439.36 and 13,776.48 is: 20,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.72 : 41,439.36 = 13,776.48 : x
  2. Step 2: Convert to fraction form
    27,630.72/41,439.36 = 13,776.48/x
  3. Step 3: Cross multiply
    27,630.72x = 41,439.36 × 13,776.48
  4. Step 4: Simplify right side
    27,630.72x = 570,888,514.25
  5. Step 5: Solve for x
    x = 570,888,514.25/27,630.72
  6. Step 6: Final answer
    x = 20,661.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.