Home / 26,918.66-40,357.85-18,574.85

Finding the Fourth Proportional to 26,918.66, 40,357.85 and 18,574.85

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Solution

The fourth proportional to 26,918.66, 40,357.85 and 18,574.85 is: 27,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.66 : 40,357.85 = 18,574.85 : x
  2. Step 2: Convert to fraction form
    26,918.66/40,357.85 = 18,574.85/x
  3. Step 3: Cross multiply
    26,918.66x = 40,357.85 × 18,574.85
  4. Step 4: Simplify right side
    26,918.66x = 749,641,018.09
  5. Step 5: Solve for x
    x = 749,641,018.09/26,918.66
  6. Step 6: Final answer
    x = 27,848.38

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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.