Home / 27,921.60-41,968.80-27,403.20

Finding the Fourth Proportional to 27,921.60, 41,968.80 and 27,403.20

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Solution

The fourth proportional to 27,921.60, 41,968.80 and 27,403.20 is: 41,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.60 : 41,968.80 = 27,403.20 : x
  2. Step 2: Convert to fraction form
    27,921.60/41,968.80 = 27,403.20/x
  3. Step 3: Cross multiply
    27,921.60x = 41,968.80 × 27,403.20
  4. Step 4: Simplify right side
    27,921.60x = 1,150,079,420.16
  5. Step 5: Solve for x
    x = 1,150,079,420.16/27,921.60
  6. Step 6: Final answer
    x = 41,189.60

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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.