Home / 27,093.78-37,390.44-15,157.08

Finding the Fourth Proportional to 27,093.78, 37,390.44 and 15,157.08

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Solution

The fourth proportional to 27,093.78, 37,390.44 and 15,157.08 is: 20,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.78 : 37,390.44 = 15,157.08 : x
  2. Step 2: Convert to fraction form
    27,093.78/37,390.44 = 15,157.08/x
  3. Step 3: Cross multiply
    27,093.78x = 37,390.44 × 15,157.08
  4. Step 4: Simplify right side
    27,093.78x = 566,729,890.32
  5. Step 5: Solve for x
    x = 566,729,890.32/27,093.78
  6. Step 6: Final answer
    x = 20,917.34

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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.