Home / 28,529.26-39,372.30-15,954

Finding the Fourth Proportional to 28,529.26, 39,372.30 and 15,954

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Solution

The fourth proportional to 28,529.26, 39,372.30 and 15,954 is: 22,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.26 : 39,372.30 = 15,954 : x
  2. Step 2: Convert to fraction form
    28,529.26/39,372.30 = 15,954/x
  3. Step 3: Cross multiply
    28,529.26x = 39,372.30 × 15,954
  4. Step 4: Simplify right side
    28,529.26x = 628,145,674.20
  5. Step 5: Solve for x
    x = 628,145,674.20/28,529.26
  6. Step 6: Final answer
    x = 22,017.59

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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.