Home / 28,786.66-39,735.56-16,853.84

Finding the Fourth Proportional to 28,786.66, 39,735.56 and 16,853.84

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Solution

The fourth proportional to 28,786.66, 39,735.56 and 16,853.84 is: 23,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.66 : 39,735.56 = 16,853.84 : x
  2. Step 2: Convert to fraction form
    28,786.66/39,735.56 = 16,853.84/x
  3. Step 3: Cross multiply
    28,786.66x = 39,735.56 × 16,853.84
  4. Step 4: Simplify right side
    28,786.66x = 669,696,770.55
  5. Step 5: Solve for x
    x = 669,696,770.55/28,786.66
  6. Step 6: Final answer
    x = 23,264.14

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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.