Home / 27,714.28-41,560.64-8,989.79

Finding the Fourth Proportional to 27,714.28, 41,560.64 and 8,989.79

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Solution

The fourth proportional to 27,714.28, 41,560.64 and 8,989.79 is: 13,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,714.28 : 41,560.64 = 8,989.79 : x
  2. Step 2: Convert to fraction form
    27,714.28/41,560.64 = 8,989.79/x
  3. Step 3: Cross multiply
    27,714.28x = 41,560.64 × 8,989.79
  4. Step 4: Simplify right side
    27,714.28x = 373,621,440.60
  5. Step 5: Solve for x
    x = 373,621,440.60/27,714.28
  6. Step 6: Final answer
    x = 13,481.19

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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.