Home / 28,761.39-39,682.71-17,273.28

Finding the Fourth Proportional to 28,761.39, 39,682.71 and 17,273.28

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Solution

The fourth proportional to 28,761.39, 39,682.71 and 17,273.28 is: 23,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.39 : 39,682.71 = 17,273.28 : x
  2. Step 2: Convert to fraction form
    28,761.39/39,682.71 = 17,273.28/x
  3. Step 3: Cross multiply
    28,761.39x = 39,682.71 × 17,273.28
  4. Step 4: Simplify right side
    28,761.39x = 685,450,560.99
  5. Step 5: Solve for x
    x = 685,450,560.99/28,761.39
  6. Step 6: Final answer
    x = 23,832.32

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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.