Home / 26,858.57-40,278.33-7,877.93

Finding the Fourth Proportional to 26,858.57, 40,278.33 and 7,877.93

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Solution

The fourth proportional to 26,858.57, 40,278.33 and 7,877.93 is: 11,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858.57 : 40,278.33 = 7,877.93 : x
  2. Step 2: Convert to fraction form
    26,858.57/40,278.33 = 7,877.93/x
  3. Step 3: Cross multiply
    26,858.57x = 40,278.33 × 7,877.93
  4. Step 4: Simplify right side
    26,858.57x = 317,309,662.87
  5. Step 5: Solve for x
    x = 317,309,662.87/26,858.57
  6. Step 6: Final answer
    x = 11,814.10

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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.