Home / 28,824-43,166.34-13,996.32

Finding the Fourth Proportional to 28,824, 43,166.34 and 13,996.32

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Solution

The fourth proportional to 28,824, 43,166.34 and 13,996.32 is: 20,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824 : 43,166.34 = 13,996.32 : x
  2. Step 2: Convert to fraction form
    28,824/43,166.34 = 13,996.32/x
  3. Step 3: Cross multiply
    28,824x = 43,166.34 × 13,996.32
  4. Step 4: Simplify right side
    28,824x = 604,169,907.87
  5. Step 5: Solve for x
    x = 604,169,907.87/28,824
  6. Step 6: Final answer
    x = 20,960.65

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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.