Home / 28,692.10-39,588.61-17,361.31

Finding the Fourth Proportional to 28,692.10, 39,588.61 and 17,361.31

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Solution

The fourth proportional to 28,692.10, 39,588.61 and 17,361.31 is: 23,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.10 : 39,588.61 = 17,361.31 : x
  2. Step 2: Convert to fraction form
    28,692.10/39,588.61 = 17,361.31/x
  3. Step 3: Cross multiply
    28,692.10x = 39,588.61 × 17,361.31
  4. Step 4: Simplify right side
    28,692.10x = 687,310,130.68
  5. Step 5: Solve for x
    x = 687,310,130.68/28,692.10
  6. Step 6: Final answer
    x = 23,954.68

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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.