Home / 27,688.40-41,532.60-17,190.80

Finding the Fourth Proportional to 27,688.40, 41,532.60 and 17,190.80

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Solution

The fourth proportional to 27,688.40, 41,532.60 and 17,190.80 is: 25,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.40 : 41,532.60 = 17,190.80 : x
  2. Step 2: Convert to fraction form
    27,688.40/41,532.60 = 17,190.80/x
  3. Step 3: Cross multiply
    27,688.40x = 41,532.60 × 17,190.80
  4. Step 4: Simplify right side
    27,688.40x = 713,978,620.08
  5. Step 5: Solve for x
    x = 713,978,620.08/27,688.40
  6. Step 6: Final answer
    x = 25,786.20

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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.