Home / 28,647.68-39,534.48-16,073.36

Finding the Fourth Proportional to 28,647.68, 39,534.48 and 16,073.36

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Solution

The fourth proportional to 28,647.68, 39,534.48 and 16,073.36 is: 22,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647.68 : 39,534.48 = 16,073.36 : x
  2. Step 2: Convert to fraction form
    28,647.68/39,534.48 = 16,073.36/x
  3. Step 3: Cross multiply
    28,647.68x = 39,534.48 × 16,073.36
  4. Step 4: Simplify right side
    28,647.68x = 635,451,929.45
  5. Step 5: Solve for x
    x = 635,451,929.45/28,647.68
  6. Step 6: Final answer
    x = 22,181.62

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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.