Home / 27,804.64-38,388.09-18,261.46

Finding the Fourth Proportional to 27,804.64, 38,388.09 and 18,261.46

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Solution

The fourth proportional to 27,804.64, 38,388.09 and 18,261.46 is: 25,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.64 : 38,388.09 = 18,261.46 : x
  2. Step 2: Convert to fraction form
    27,804.64/38,388.09 = 18,261.46/x
  3. Step 3: Cross multiply
    27,804.64x = 38,388.09 × 18,261.46
  4. Step 4: Simplify right side
    27,804.64x = 701,022,570.01
  5. Step 5: Solve for x
    x = 701,022,570.01/27,804.64
  6. Step 6: Final answer
    x = 25,212.43

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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.