Home / 28,984.68-39,996.36-16,883.28

Finding the Fourth Proportional to 28,984.68, 39,996.36 and 16,883.28

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Solution

The fourth proportional to 28,984.68, 39,996.36 and 16,883.28 is: 23,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.68 : 39,996.36 = 16,883.28 : x
  2. Step 2: Convert to fraction form
    28,984.68/39,996.36 = 16,883.28/x
  3. Step 3: Cross multiply
    28,984.68x = 39,996.36 × 16,883.28
  4. Step 4: Simplify right side
    28,984.68x = 675,269,744.86
  5. Step 5: Solve for x
    x = 675,269,744.86/28,984.68
  6. Step 6: Final answer
    x = 23,297.47

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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.