Home / 27,994.55-38,629.71-16,660.62

Finding the Fourth Proportional to 27,994.55, 38,629.71 and 16,660.62

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Solution

The fourth proportional to 27,994.55, 38,629.71 and 16,660.62 is: 22,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.55 : 38,629.71 = 16,660.62 : x
  2. Step 2: Convert to fraction form
    27,994.55/38,629.71 = 16,660.62/x
  3. Step 3: Cross multiply
    27,994.55x = 38,629.71 × 16,660.62
  4. Step 4: Simplify right side
    27,994.55x = 643,594,919.02
  5. Step 5: Solve for x
    x = 643,594,919.02/27,994.55
  6. Step 6: Final answer
    x = 22,990.01

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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.