Home / 27,378.60-40,991.10-26,610.60

Finding the Fourth Proportional to 27,378.60, 40,991.10 and 26,610.60

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Solution

The fourth proportional to 27,378.60, 40,991.10 and 26,610.60 is: 39,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.60 : 40,991.10 = 26,610.60 : x
  2. Step 2: Convert to fraction form
    27,378.60/40,991.10 = 26,610.60/x
  3. Step 3: Cross multiply
    27,378.60x = 40,991.10 × 26,610.60
  4. Step 4: Simplify right side
    27,378.60x = 1,090,797,765.66
  5. Step 5: Solve for x
    x = 1,090,797,765.66/27,378.60
  6. Step 6: Final answer
    x = 39,841.25

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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.