Home / 28,766.43-39,709.96-19,340.46

Finding the Fourth Proportional to 28,766.43, 39,709.96 and 19,340.46

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Solution

The fourth proportional to 28,766.43, 39,709.96 and 19,340.46 is: 26,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.43 : 39,709.96 = 19,340.46 : x
  2. Step 2: Convert to fraction form
    28,766.43/39,709.96 = 19,340.46/x
  3. Step 3: Cross multiply
    28,766.43x = 39,709.96 × 19,340.46
  4. Step 4: Simplify right side
    28,766.43x = 768,008,844.63
  5. Step 5: Solve for x
    x = 768,008,844.63/28,766.43
  6. Step 6: Final answer
    x = 26,698.09

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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.