Home / 25,120.68-37,687.32-17,739.60

Finding the Fourth Proportional to 25,120.68, 37,687.32 and 17,739.60

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Solution

The fourth proportional to 25,120.68, 37,687.32 and 17,739.60 is: 26,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.68 : 37,687.32 = 17,739.60 : x
  2. Step 2: Convert to fraction form
    25,120.68/37,687.32 = 17,739.60/x
  3. Step 3: Cross multiply
    25,120.68x = 37,687.32 × 17,739.60
  4. Step 4: Simplify right side
    25,120.68x = 668,557,981.87
  5. Step 5: Solve for x
    x = 668,557,981.87/25,120.68
  6. Step 6: Final answer
    x = 26,613.85

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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.