Home / 27,982.20-41,973.30-15,668.60

Finding the Fourth Proportional to 27,982.20, 41,973.30 and 15,668.60

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Solution

The fourth proportional to 27,982.20, 41,973.30 and 15,668.60 is: 23,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.20 : 41,973.30 = 15,668.60 : x
  2. Step 2: Convert to fraction form
    27,982.20/41,973.30 = 15,668.60/x
  3. Step 3: Cross multiply
    27,982.20x = 41,973.30 × 15,668.60
  4. Step 4: Simplify right side
    27,982.20x = 657,662,848.38
  5. Step 5: Solve for x
    x = 657,662,848.38/27,982.20
  6. Step 6: Final answer
    x = 23,502.90

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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.