Home / 28,125.66-38,813.44-16,191.33

Finding the Fourth Proportional to 28,125.66, 38,813.44 and 16,191.33

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Solution

The fourth proportional to 28,125.66, 38,813.44 and 16,191.33 is: 22,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125.66 : 38,813.44 = 16,191.33 : x
  2. Step 2: Convert to fraction form
    28,125.66/38,813.44 = 16,191.33/x
  3. Step 3: Cross multiply
    28,125.66x = 38,813.44 × 16,191.33
  4. Step 4: Simplify right side
    28,125.66x = 628,441,215.48
  5. Step 5: Solve for x
    x = 628,441,215.48/28,125.66
  6. Step 6: Final answer
    x = 22,344.05

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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.