Home / 26,841.24-37,075.77-20,428.88

Finding the Fourth Proportional to 26,841.24, 37,075.77 and 20,428.88

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Solution

The fourth proportional to 26,841.24, 37,075.77 and 20,428.88 is: 28,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,841.24 : 37,075.77 = 20,428.88 : x
  2. Step 2: Convert to fraction form
    26,841.24/37,075.77 = 20,428.88/x
  3. Step 3: Cross multiply
    26,841.24x = 37,075.77 × 20,428.88
  4. Step 4: Simplify right side
    26,841.24x = 757,416,456.24
  5. Step 5: Solve for x
    x = 757,416,456.24/26,841.24
  6. Step 6: Final answer
    x = 28,218.39

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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.