Home / 26,736.41-36,897.12-15,405.03

Finding the Fourth Proportional to 26,736.41, 36,897.12 and 15,405.03

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Solution

The fourth proportional to 26,736.41, 36,897.12 and 15,405.03 is: 21,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736.41 : 36,897.12 = 15,405.03 : x
  2. Step 2: Convert to fraction form
    26,736.41/36,897.12 = 15,405.03/x
  3. Step 3: Cross multiply
    26,736.41x = 36,897.12 × 15,405.03
  4. Step 4: Simplify right side
    26,736.41x = 568,401,240.51
  5. Step 5: Solve for x
    x = 568,401,240.51/26,736.41
  6. Step 6: Final answer
    x = 21,259.44

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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.