Home / 26,640.99-39,940.83-17,261.19

Finding the Fourth Proportional to 26,640.99, 39,940.83 and 17,261.19

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Solution

The fourth proportional to 26,640.99, 39,940.83 and 17,261.19 is: 25,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.99 : 39,940.83 = 17,261.19 : x
  2. Step 2: Convert to fraction form
    26,640.99/39,940.83 = 17,261.19/x
  3. Step 3: Cross multiply
    26,640.99x = 39,940.83 × 17,261.19
  4. Step 4: Simplify right side
    26,640.99x = 689,426,255.39
  5. Step 5: Solve for x
    x = 689,426,255.39/26,640.99
  6. Step 6: Final answer
    x = 25,878.40

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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.