Home / 26,721.72-40,091.64-11,940.84

Finding the Fourth Proportional to 26,721.72, 40,091.64 and 11,940.84

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Solution

The fourth proportional to 26,721.72, 40,091.64 and 11,940.84 is: 17,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.72 : 40,091.64 = 11,940.84 : x
  2. Step 2: Convert to fraction form
    26,721.72/40,091.64 = 11,940.84/x
  3. Step 3: Cross multiply
    26,721.72x = 40,091.64 × 11,940.84
  4. Step 4: Simplify right side
    26,721.72x = 478,727,858.58
  5. Step 5: Solve for x
    x = 478,727,858.58/26,721.72
  6. Step 6: Final answer
    x = 17,915.31

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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.