Home / 28,033.62-38,673.63-18,608.46

Finding the Fourth Proportional to 28,033.62, 38,673.63 and 18,608.46

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Solution

The fourth proportional to 28,033.62, 38,673.63 and 18,608.46 is: 25,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.62 : 38,673.63 = 18,608.46 : x
  2. Step 2: Convert to fraction form
    28,033.62/38,673.63 = 18,608.46/x
  3. Step 3: Cross multiply
    28,033.62x = 38,673.63 × 18,608.46
  4. Step 4: Simplify right side
    28,033.62x = 719,656,696.91
  5. Step 5: Solve for x
    x = 719,656,696.91/28,033.62
  6. Step 6: Final answer
    x = 25,671.20

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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.