Home / 28,774.24-43,107.87-15,637.66

Finding the Fourth Proportional to 28,774.24, 43,107.87 and 15,637.66

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Solution

The fourth proportional to 28,774.24, 43,107.87 and 15,637.66 is: 23,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.24 : 43,107.87 = 15,637.66 : x
  2. Step 2: Convert to fraction form
    28,774.24/43,107.87 = 15,637.66/x
  3. Step 3: Cross multiply
    28,774.24x = 43,107.87 × 15,637.66
  4. Step 4: Simplify right side
    28,774.24x = 674,106,214.38
  5. Step 5: Solve for x
    x = 674,106,214.38/28,774.24
  6. Step 6: Final answer
    x = 23,427.42

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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.