Home / 27,771.56-38,284.90-19,799.94

Finding the Fourth Proportional to 27,771.56, 38,284.90 and 19,799.94

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Solution

The fourth proportional to 27,771.56, 38,284.90 and 19,799.94 is: 27,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,771.56 : 38,284.90 = 19,799.94 : x
  2. Step 2: Convert to fraction form
    27,771.56/38,284.90 = 19,799.94/x
  3. Step 3: Cross multiply
    27,771.56x = 38,284.90 × 19,799.94
  4. Step 4: Simplify right side
    27,771.56x = 758,038,722.91
  5. Step 5: Solve for x
    x = 758,038,722.91/27,771.56
  6. Step 6: Final answer
    x = 27,295.50

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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.