Home / 28,384.67-42,582.16-11,735.66

Finding the Fourth Proportional to 28,384.67, 42,582.16 and 11,735.66

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Solution

The fourth proportional to 28,384.67, 42,582.16 and 11,735.66 is: 17,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.67 : 42,582.16 = 11,735.66 : x
  2. Step 2: Convert to fraction form
    28,384.67/42,582.16 = 11,735.66/x
  3. Step 3: Cross multiply
    28,384.67x = 42,582.16 × 11,735.66
  4. Step 4: Simplify right side
    28,384.67x = 499,729,751.83
  5. Step 5: Solve for x
    x = 499,729,751.83/28,384.67
  6. Step 6: Final answer
    x = 17,605.62

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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.