Home / 28,713.74-43,075.77-11,837.36

Finding the Fourth Proportional to 28,713.74, 43,075.77 and 11,837.36

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Solution

The fourth proportional to 28,713.74, 43,075.77 and 11,837.36 is: 17,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.74 : 43,075.77 = 11,837.36 : x
  2. Step 2: Convert to fraction form
    28,713.74/43,075.77 = 11,837.36/x
  3. Step 3: Cross multiply
    28,713.74x = 43,075.77 × 11,837.36
  4. Step 4: Simplify right side
    28,713.74x = 509,903,181.39
  5. Step 5: Solve for x
    x = 509,903,181.39/28,713.74
  6. Step 6: Final answer
    x = 17,758.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.