Home / 28,605.48-42,907.86-11,734.68

Finding the Fourth Proportional to 28,605.48, 42,907.86 and 11,734.68

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Solution

The fourth proportional to 28,605.48, 42,907.86 and 11,734.68 is: 17,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.48 : 42,907.86 = 11,734.68 : x
  2. Step 2: Convert to fraction form
    28,605.48/42,907.86 = 11,734.68/x
  3. Step 3: Cross multiply
    28,605.48x = 42,907.86 × 11,734.68
  4. Step 4: Simplify right side
    28,605.48x = 503,510,006.58
  5. Step 5: Solve for x
    x = 503,510,006.58/28,605.48
  6. Step 6: Final answer
    x = 17,601.87

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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.