Home / 27,006.36-40,509.48-9,481.20

Finding the Fourth Proportional to 27,006.36, 40,509.48 and 9,481.20

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Solution

The fourth proportional to 27,006.36, 40,509.48 and 9,481.20 is: 14,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,006.36 : 40,509.48 = 9,481.20 : x
  2. Step 2: Convert to fraction form
    27,006.36/40,509.48 = 9,481.20/x
  3. Step 3: Cross multiply
    27,006.36x = 40,509.48 × 9,481.20
  4. Step 4: Simplify right side
    27,006.36x = 384,078,481.78
  5. Step 5: Solve for x
    x = 384,078,481.78/27,006.36
  6. Step 6: Final answer
    x = 14,221.78

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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.