Home / 25,149.57-37,626.81-18,145.72

Finding the Fourth Proportional to 25,149.57, 37,626.81 and 18,145.72

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Solution

The fourth proportional to 25,149.57, 37,626.81 and 18,145.72 is: 27,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.57 : 37,626.81 = 18,145.72 : x
  2. Step 2: Convert to fraction form
    25,149.57/37,626.81 = 18,145.72/x
  3. Step 3: Cross multiply
    25,149.57x = 37,626.81 × 18,145.72
  4. Step 4: Simplify right side
    25,149.57x = 682,765,558.75
  5. Step 5: Solve for x
    x = 682,765,558.75/25,149.57
  6. Step 6: Final answer
    x = 27,148.20

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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.