Home / 27,793.93-38,329.70-25,729.78

Finding the Fourth Proportional to 27,793.93, 38,329.70 and 25,729.78

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Solution

The fourth proportional to 27,793.93, 38,329.70 and 25,729.78 is: 35,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.93 : 38,329.70 = 25,729.78 : x
  2. Step 2: Convert to fraction form
    27,793.93/38,329.70 = 25,729.78/x
  3. Step 3: Cross multiply
    27,793.93x = 38,329.70 × 25,729.78
  4. Step 4: Simplify right side
    27,793.93x = 986,214,556.82
  5. Step 5: Solve for x
    x = 986,214,556.82/27,793.93
  6. Step 6: Final answer
    x = 35,483.10

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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.