Home / 27,989.34-41,983.96-19,197.60

Finding the Fourth Proportional to 27,989.34, 41,983.96 and 19,197.60

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Solution

The fourth proportional to 27,989.34, 41,983.96 and 19,197.60 is: 28,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.34 : 41,983.96 = 19,197.60 : x
  2. Step 2: Convert to fraction form
    27,989.34/41,983.96 = 19,197.60/x
  3. Step 3: Cross multiply
    27,989.34x = 41,983.96 × 19,197.60
  4. Step 4: Simplify right side
    27,989.34x = 805,991,270.50
  5. Step 5: Solve for x
    x = 805,991,270.50/27,989.34
  6. Step 6: Final answer
    x = 28,796.37

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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.