Home / 28,355.96-39,122.41-16,089.34

Finding the Fourth Proportional to 28,355.96, 39,122.41 and 16,089.34

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Solution

The fourth proportional to 28,355.96, 39,122.41 and 16,089.34 is: 22,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.96 : 39,122.41 = 16,089.34 : x
  2. Step 2: Convert to fraction form
    28,355.96/39,122.41 = 16,089.34/x
  3. Step 3: Cross multiply
    28,355.96x = 39,122.41 × 16,089.34
  4. Step 4: Simplify right side
    28,355.96x = 629,453,675.66
  5. Step 5: Solve for x
    x = 629,453,675.66/28,355.96
  6. Step 6: Final answer
    x = 22,198.29

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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.