Home / 18,941.42-28,409.39-5,790.26

Finding the Fourth Proportional to 18,941.42, 28,409.39 and 5,790.26

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Solution

The fourth proportional to 18,941.42, 28,409.39 and 5,790.26 is: 8,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.42 : 28,409.39 = 5,790.26 : x
  2. Step 2: Convert to fraction form
    18,941.42/28,409.39 = 5,790.26/x
  3. Step 3: Cross multiply
    18,941.42x = 28,409.39 × 5,790.26
  4. Step 4: Simplify right side
    18,941.42x = 164,497,754.54
  5. Step 5: Solve for x
    x = 164,497,754.54/18,941.42
  6. Step 6: Final answer
    x = 8,684.55

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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.