Home / 29,266.08-40,387.29-15,837.33

Finding the Fourth Proportional to 29,266.08, 40,387.29 and 15,837.33

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Solution

The fourth proportional to 29,266.08, 40,387.29 and 15,837.33 is: 21,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.08 : 40,387.29 = 15,837.33 : x
  2. Step 2: Convert to fraction form
    29,266.08/40,387.29 = 15,837.33/x
  3. Step 3: Cross multiply
    29,266.08x = 40,387.29 × 15,837.33
  4. Step 4: Simplify right side
    29,266.08x = 639,626,907.09
  5. Step 5: Solve for x
    x = 639,626,907.09/29,266.08
  6. Step 6: Final answer
    x = 21,855.57

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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.