Home / 20,713.12-28,579.44-17,369.44

Finding the Fourth Proportional to 20,713.12, 28,579.44 and 17,369.44

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Solution

The fourth proportional to 20,713.12, 28,579.44 and 17,369.44 is: 23,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.12 : 28,579.44 = 17,369.44 : x
  2. Step 2: Convert to fraction form
    20,713.12/28,579.44 = 17,369.44/x
  3. Step 3: Cross multiply
    20,713.12x = 28,579.44 × 17,369.44
  4. Step 4: Simplify right side
    20,713.12x = 496,408,868.31
  5. Step 5: Solve for x
    x = 496,408,868.31/20,713.12
  6. Step 6: Final answer
    x = 23,965.91

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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.