Home / 28,329.24-39,095.31-15,583.37

Finding the Fourth Proportional to 28,329.24, 39,095.31 and 15,583.37

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Solution

The fourth proportional to 28,329.24, 39,095.31 and 15,583.37 is: 21,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.24 : 39,095.31 = 15,583.37 : x
  2. Step 2: Convert to fraction form
    28,329.24/39,095.31 = 15,583.37/x
  3. Step 3: Cross multiply
    28,329.24x = 39,095.31 × 15,583.37
  4. Step 4: Simplify right side
    28,329.24x = 609,236,837.17
  5. Step 5: Solve for x
    x = 609,236,837.17/28,329.24
  6. Step 6: Final answer
    x = 21,505.58

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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.