Home / 28,840.44-43,268.34-9,119.36

Finding the Fourth Proportional to 28,840.44, 43,268.34 and 9,119.36

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Solution

The fourth proportional to 28,840.44, 43,268.34 and 9,119.36 is: 13,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.44 : 43,268.34 = 9,119.36 : x
  2. Step 2: Convert to fraction form
    28,840.44/43,268.34 = 9,119.36/x
  3. Step 3: Cross multiply
    28,840.44x = 43,268.34 × 9,119.36
  4. Step 4: Simplify right side
    28,840.44x = 394,579,569.06
  5. Step 5: Solve for x
    x = 394,579,569.06/28,840.44
  6. Step 6: Final answer
    x = 13,681.47

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1.5x scale

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.