Home / 28,282.35-39,027.36-16,346.46

Finding the Fourth Proportional to 28,282.35, 39,027.36 and 16,346.46

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Solution

The fourth proportional to 28,282.35, 39,027.36 and 16,346.46 is: 22,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.35 : 39,027.36 = 16,346.46 : x
  2. Step 2: Convert to fraction form
    28,282.35/39,027.36 = 16,346.46/x
  3. Step 3: Cross multiply
    28,282.35x = 39,027.36 × 16,346.46
  4. Step 4: Simplify right side
    28,282.35x = 637,958,984.01
  5. Step 5: Solve for x
    x = 637,958,984.01/28,282.35
  6. Step 6: Final answer
    x = 22,556.79

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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.