Home / 26,165.07-36,121.59-21,004.43

Finding the Fourth Proportional to 26,165.07, 36,121.59 and 21,004.43

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Solution

The fourth proportional to 26,165.07, 36,121.59 and 21,004.43 is: 28,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,165.07 : 36,121.59 = 21,004.43 : x
  2. Step 2: Convert to fraction form
    26,165.07/36,121.59 = 21,004.43/x
  3. Step 3: Cross multiply
    26,165.07x = 36,121.59 × 21,004.43
  4. Step 4: Simplify right side
    26,165.07x = 758,713,228.04
  5. Step 5: Solve for x
    x = 758,713,228.04/26,165.07
  6. Step 6: Final answer
    x = 28,997.18

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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.