Home / 28,858.40-39,824.44-16,110.84

Finding the Fourth Proportional to 28,858.40, 39,824.44 and 16,110.84

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Solution

The fourth proportional to 28,858.40, 39,824.44 and 16,110.84 is: 22,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.40 : 39,824.44 = 16,110.84 : x
  2. Step 2: Convert to fraction form
    28,858.40/39,824.44 = 16,110.84/x
  3. Step 3: Cross multiply
    28,858.40x = 39,824.44 × 16,110.84
  4. Step 4: Simplify right side
    28,858.40x = 641,605,180.93
  5. Step 5: Solve for x
    x = 641,605,180.93/28,858.40
  6. Step 6: Final answer
    x = 22,232.87

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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.