Home / 27,844.66-38,422.18-17,778.99

Finding the Fourth Proportional to 27,844.66, 38,422.18 and 17,778.99

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Solution

The fourth proportional to 27,844.66, 38,422.18 and 17,778.99 is: 24,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844.66 : 38,422.18 = 17,778.99 : x
  2. Step 2: Convert to fraction form
    27,844.66/38,422.18 = 17,778.99/x
  3. Step 3: Cross multiply
    27,844.66x = 38,422.18 × 17,778.99
  4. Step 4: Simplify right side
    27,844.66x = 683,107,554.00
  5. Step 5: Solve for x
    x = 683,107,554.00/27,844.66
  6. Step 6: Final answer
    x = 24,532.81

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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.