Home / 26,881.35-37,053.09-21,206.49

Finding the Fourth Proportional to 26,881.35, 37,053.09 and 21,206.49

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Solution

The fourth proportional to 26,881.35, 37,053.09 and 21,206.49 is: 29,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.35 : 37,053.09 = 21,206.49 : x
  2. Step 2: Convert to fraction form
    26,881.35/37,053.09 = 21,206.49/x
  3. Step 3: Cross multiply
    26,881.35x = 37,053.09 × 21,206.49
  4. Step 4: Simplify right side
    26,881.35x = 785,765,982.55
  5. Step 5: Solve for x
    x = 785,765,982.55/26,881.35
  6. Step 6: Final answer
    x = 29,230.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.