Home / 19,022.22-28,512.84-7,925.94

Finding the Fourth Proportional to 19,022.22, 28,512.84 and 7,925.94

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Solution

The fourth proportional to 19,022.22, 28,512.84 and 7,925.94 is: 11,880.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.22 : 28,512.84 = 7,925.94 : x
  2. Step 2: Convert to fraction form
    19,022.22/28,512.84 = 7,925.94/x
  3. Step 3: Cross multiply
    19,022.22x = 28,512.84 × 7,925.94
  4. Step 4: Simplify right side
    19,022.22x = 225,991,059.07
  5. Step 5: Solve for x
    x = 225,991,059.07/19,022.22
  6. Step 6: Final answer
    x = 11,880.37

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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.