Home / 28,441.94-42,668.37-8,717.02

Finding the Fourth Proportional to 28,441.94, 42,668.37 and 8,717.02

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Solution

The fourth proportional to 28,441.94, 42,668.37 and 8,717.02 is: 13,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.94 : 42,668.37 = 8,717.02 : x
  2. Step 2: Convert to fraction form
    28,441.94/42,668.37 = 8,717.02/x
  3. Step 3: Cross multiply
    28,441.94x = 42,668.37 × 8,717.02
  4. Step 4: Simplify right side
    28,441.94x = 371,940,927.99
  5. Step 5: Solve for x
    x = 371,940,927.99/28,441.94
  6. Step 6: Final answer
    x = 13,077.20

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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.