Home / 26,589.76-36,659.79-21,792.04

Finding the Fourth Proportional to 26,589.76, 36,659.79 and 21,792.04

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Solution

The fourth proportional to 26,589.76, 36,659.79 and 21,792.04 is: 30,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,589.76 : 36,659.79 = 21,792.04 : x
  2. Step 2: Convert to fraction form
    26,589.76/36,659.79 = 21,792.04/x
  3. Step 3: Cross multiply
    26,589.76x = 36,659.79 × 21,792.04
  4. Step 4: Simplify right side
    26,589.76x = 798,891,610.07
  5. Step 5: Solve for x
    x = 798,891,610.07/26,589.76
  6. Step 6: Final answer
    x = 30,045.09

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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.