Home / 26,760.93-40,153.85-11,979.85

Finding the Fourth Proportional to 26,760.93, 40,153.85 and 11,979.85

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Solution

The fourth proportional to 26,760.93, 40,153.85 and 11,979.85 is: 17,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.93 : 40,153.85 = 11,979.85 : x
  2. Step 2: Convert to fraction form
    26,760.93/40,153.85 = 11,979.85/x
  3. Step 3: Cross multiply
    26,760.93x = 40,153.85 × 11,979.85
  4. Step 4: Simplify right side
    26,760.93x = 481,037,099.92
  5. Step 5: Solve for x
    x = 481,037,099.92/26,760.93
  6. Step 6: Final answer
    x = 17,975.35

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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.