Home / 28,926.37-39,918.09-16,179.40

Finding the Fourth Proportional to 28,926.37, 39,918.09 and 16,179.40

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Solution

The fourth proportional to 28,926.37, 39,918.09 and 16,179.40 is: 22,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.37 : 39,918.09 = 16,179.40 : x
  2. Step 2: Convert to fraction form
    28,926.37/39,918.09 = 16,179.40/x
  3. Step 3: Cross multiply
    28,926.37x = 39,918.09 × 16,179.40
  4. Step 4: Simplify right side
    28,926.37x = 645,850,745.35
  5. Step 5: Solve for x
    x = 645,850,745.35/28,926.37
  6. Step 6: Final answer
    x = 22,327.40

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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.