Home / 26,789.73-40,191.29-18,907.64

Finding the Fourth Proportional to 26,789.73, 40,191.29 and 18,907.64

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Solution

The fourth proportional to 26,789.73, 40,191.29 and 18,907.64 is: 28,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.73 : 40,191.29 = 18,907.64 : x
  2. Step 2: Convert to fraction form
    26,789.73/40,191.29 = 18,907.64/x
  3. Step 3: Cross multiply
    26,789.73x = 40,191.29 × 18,907.64
  4. Step 4: Simplify right side
    26,789.73x = 759,922,146.96
  5. Step 5: Solve for x
    x = 759,922,146.96/26,789.73
  6. Step 6: Final answer
    x = 28,366.17

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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.