Home / 25,790.68-35,580.90-15,163.48

Finding the Fourth Proportional to 25,790.68, 35,580.90 and 15,163.48

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Solution

The fourth proportional to 25,790.68, 35,580.90 and 15,163.48 is: 20,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.68 : 35,580.90 = 15,163.48 : x
  2. Step 2: Convert to fraction form
    25,790.68/35,580.90 = 15,163.48/x
  3. Step 3: Cross multiply
    25,790.68x = 35,580.90 × 15,163.48
  4. Step 4: Simplify right side
    25,790.68x = 539,530,265.53
  5. Step 5: Solve for x
    x = 539,530,265.53/25,790.68
  6. Step 6: Final answer
    x = 20,919.58

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1.5x scale

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.