Home / 27,261.36-37,618.56-15,322.37

Finding the Fourth Proportional to 27,261.36, 37,618.56 and 15,322.37

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Solution

The fourth proportional to 27,261.36, 37,618.56 and 15,322.37 is: 21,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.36 : 37,618.56 = 15,322.37 : x
  2. Step 2: Convert to fraction form
    27,261.36/37,618.56 = 15,322.37/x
  3. Step 3: Cross multiply
    27,261.36x = 37,618.56 × 15,322.37
  4. Step 4: Simplify right side
    27,261.36x = 576,405,307.09
  5. Step 5: Solve for x
    x = 576,405,307.09/27,261.36
  6. Step 6: Final answer
    x = 21,143.67

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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.