Home / 27,365.94-37,765.44-15,429.87

Finding the Fourth Proportional to 27,365.94, 37,765.44 and 15,429.87

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Solution

The fourth proportional to 27,365.94, 37,765.44 and 15,429.87 is: 21,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.94 : 37,765.44 = 15,429.87 : x
  2. Step 2: Convert to fraction form
    27,365.94/37,765.44 = 15,429.87/x
  3. Step 3: Cross multiply
    27,365.94x = 37,765.44 × 15,429.87
  4. Step 4: Simplify right side
    27,365.94x = 582,715,829.69
  5. Step 5: Solve for x
    x = 582,715,829.69/27,365.94
  6. Step 6: Final answer
    x = 21,293.47

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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.