Home / 27,380.88-37,810.80-25,907.76

Finding the Fourth Proportional to 27,380.88, 37,810.80 and 25,907.76

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Solution

The fourth proportional to 27,380.88, 37,810.80 and 25,907.76 is: 35,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.88 : 37,810.80 = 25,907.76 : x
  2. Step 2: Convert to fraction form
    27,380.88/37,810.80 = 25,907.76/x
  3. Step 3: Cross multiply
    27,380.88x = 37,810.80 × 25,907.76
  4. Step 4: Simplify right side
    27,380.88x = 979,593,131.81
  5. Step 5: Solve for x
    x = 979,593,131.81/27,380.88
  6. Step 6: Final answer
    x = 35,776.54

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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.