Home / 28,292.58-42,428.84-8,296.52

Finding the Fourth Proportional to 28,292.58, 42,428.84 and 8,296.52

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Solution

The fourth proportional to 28,292.58, 42,428.84 and 8,296.52 is: 12,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.58 : 42,428.84 = 8,296.52 : x
  2. Step 2: Convert to fraction form
    28,292.58/42,428.84 = 8,296.52/x
  3. Step 3: Cross multiply
    28,292.58x = 42,428.84 × 8,296.52
  4. Step 4: Simplify right side
    28,292.58x = 352,011,466.01
  5. Step 5: Solve for x
    x = 352,011,466.01/28,292.58
  6. Step 6: Final answer
    x = 12,441.83

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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.