Home / 19,268.51-28,904.69-5,228.75

Finding the Fourth Proportional to 19,268.51, 28,904.69 and 5,228.75

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Solution

The fourth proportional to 19,268.51, 28,904.69 and 5,228.75 is: 7,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.51 : 28,904.69 = 5,228.75 : x
  2. Step 2: Convert to fraction form
    19,268.51/28,904.69 = 5,228.75/x
  3. Step 3: Cross multiply
    19,268.51x = 28,904.69 × 5,228.75
  4. Step 4: Simplify right side
    19,268.51x = 151,135,483.17
  5. Step 5: Solve for x
    x = 151,135,483.17/19,268.51
  6. Step 6: Final answer
    x = 7,843.65

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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.