Home / 57,928.09-86,893.66-18,485.16

Finding the Fourth Proportional to 57,928.09, 86,893.66 and 18,485.16

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Solution

The fourth proportional to 57,928.09, 86,893.66 and 18,485.16 is: 27,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.09 : 86,893.66 = 18,485.16 : x
  2. Step 2: Convert to fraction form
    57,928.09/86,893.66 = 18,485.16/x
  3. Step 3: Cross multiply
    57,928.09x = 86,893.66 × 18,485.16
  4. Step 4: Simplify right side
    57,928.09x = 1,606,243,208.09
  5. Step 5: Solve for x
    x = 1,606,243,208.09/57,928.09
  6. Step 6: Final answer
    x = 27,728.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.