Home / 27,286.99-37,660.65-15,800.23

Finding the Fourth Proportional to 27,286.99, 37,660.65 and 15,800.23

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Solution

The fourth proportional to 27,286.99, 37,660.65 and 15,800.23 is: 21,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.99 : 37,660.65 = 15,800.23 : x
  2. Step 2: Convert to fraction form
    27,286.99/37,660.65 = 15,800.23/x
  3. Step 3: Cross multiply
    27,286.99x = 37,660.65 × 15,800.23
  4. Step 4: Simplify right side
    27,286.99x = 595,046,919.77
  5. Step 5: Solve for x
    x = 595,046,919.77/27,286.99
  6. Step 6: Final answer
    x = 21,806.98

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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.