Home / 26,860.78-40,277.32-12,057.00

Finding the Fourth Proportional to 26,860.78, 40,277.32 and 12,057.00

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Solution

The fourth proportional to 26,860.78, 40,277.32 and 12,057.00 is: 18,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.78 : 40,277.32 = 12,057.00 : x
  2. Step 2: Convert to fraction form
    26,860.78/40,277.32 = 12,057.00/x
  3. Step 3: Cross multiply
    26,860.78x = 40,277.32 × 12,057.00
  4. Step 4: Simplify right side
    26,860.78x = 485,623,790.74
  5. Step 5: Solve for x
    x = 485,623,790.74/26,860.78
  6. Step 6: Final answer
    x = 18,079.29

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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.