Home / 27,289.58-40,880.19-21,027.88

Finding the Fourth Proportional to 27,289.58, 40,880.19 and 21,027.88

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Solution

The fourth proportional to 27,289.58, 40,880.19 and 21,027.88 is: 31,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.58 : 40,880.19 = 21,027.88 : x
  2. Step 2: Convert to fraction form
    27,289.58/40,880.19 = 21,027.88/x
  3. Step 3: Cross multiply
    27,289.58x = 40,880.19 × 21,027.88
  4. Step 4: Simplify right side
    27,289.58x = 859,623,525.30
  5. Step 5: Solve for x
    x = 859,623,525.30/27,289.58
  6. Step 6: Final answer
    x = 31,500.06

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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.