Home / 40,321.26-55,668.60-25,987.50

Finding the Fourth Proportional to 40,321.26, 55,668.60 and 25,987.50

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Solution

The fourth proportional to 40,321.26, 55,668.60 and 25,987.50 is: 35,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.26 : 55,668.60 = 25,987.50 : x
  2. Step 2: Convert to fraction form
    40,321.26/55,668.60 = 25,987.50/x
  3. Step 3: Cross multiply
    40,321.26x = 55,668.60 × 25,987.50
  4. Step 4: Simplify right side
    40,321.26x = 1,446,687,742.50
  5. Step 5: Solve for x
    x = 1,446,687,742.50/40,321.26
  6. Step 6: Final answer
    x = 35,879.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.