Home / 28,536.87-39,396.71-17,209.23

Finding the Fourth Proportional to 28,536.87, 39,396.71 and 17,209.23

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Solution

The fourth proportional to 28,536.87, 39,396.71 and 17,209.23 is: 23,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.87 : 39,396.71 = 17,209.23 : x
  2. Step 2: Convert to fraction form
    28,536.87/39,396.71 = 17,209.23/x
  3. Step 3: Cross multiply
    28,536.87x = 39,396.71 × 17,209.23
  4. Step 4: Simplify right side
    28,536.87x = 677,987,043.63
  5. Step 5: Solve for x
    x = 677,987,043.63/28,536.87
  6. Step 6: Final answer
    x = 23,758.29

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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.