Home / 28,883.82-43,292.52-13,268.64

Finding the Fourth Proportional to 28,883.82, 43,292.52 and 13,268.64

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Solution

The fourth proportional to 28,883.82, 43,292.52 and 13,268.64 is: 19,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.82 : 43,292.52 = 13,268.64 : x
  2. Step 2: Convert to fraction form
    28,883.82/43,292.52 = 13,268.64/x
  3. Step 3: Cross multiply
    28,883.82x = 43,292.52 × 13,268.64
  4. Step 4: Simplify right side
    28,883.82x = 574,432,862.57
  5. Step 5: Solve for x
    x = 574,432,862.57/28,883.82
  6. Step 6: Final answer
    x = 19,887.70

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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.