Home / 25,629.42-35,316.09-18,904.40

Finding the Fourth Proportional to 25,629.42, 35,316.09 and 18,904.40

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Solution

The fourth proportional to 25,629.42, 35,316.09 and 18,904.40 is: 26,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.42 : 35,316.09 = 18,904.40 : x
  2. Step 2: Convert to fraction form
    25,629.42/35,316.09 = 18,904.40/x
  3. Step 3: Cross multiply
    25,629.42x = 35,316.09 × 18,904.40
  4. Step 4: Simplify right side
    25,629.42x = 667,629,315.22
  5. Step 5: Solve for x
    x = 667,629,315.22/25,629.42
  6. Step 6: Final answer
    x = 26,049.33

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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.