Home / 28,536.15-39,395.73-17,208.52

Finding the Fourth Proportional to 28,536.15, 39,395.73 and 17,208.52

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Solution

The fourth proportional to 28,536.15, 39,395.73 and 17,208.52 is: 23,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.15 : 39,395.73 = 17,208.52 : x
  2. Step 2: Convert to fraction form
    28,536.15/39,395.73 = 17,208.52/x
  3. Step 3: Cross multiply
    28,536.15x = 39,395.73 × 17,208.52
  4. Step 4: Simplify right side
    28,536.15x = 677,942,044.60
  5. Step 5: Solve for x
    x = 677,942,044.60/28,536.15
  6. Step 6: Final answer
    x = 23,757.30

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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.