Home / 25,147.74-37,739.88-20,276.22

Finding the Fourth Proportional to 25,147.74, 37,739.88 and 20,276.22

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Solution

The fourth proportional to 25,147.74, 37,739.88 and 20,276.22 is: 30,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.74 : 37,739.88 = 20,276.22 : x
  2. Step 2: Convert to fraction form
    25,147.74/37,739.88 = 20,276.22/x
  3. Step 3: Cross multiply
    25,147.74x = 37,739.88 × 20,276.22
  4. Step 4: Simplify right side
    25,147.74x = 765,222,109.65
  5. Step 5: Solve for x
    x = 765,222,109.65/25,147.74
  6. Step 6: Final answer
    x = 30,429.06

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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.