Home / 28,357.14-42,537.68-9,629.54

Finding the Fourth Proportional to 28,357.14, 42,537.68 and 9,629.54

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Solution

The fourth proportional to 28,357.14, 42,537.68 and 9,629.54 is: 14,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.14 : 42,537.68 = 9,629.54 : x
  2. Step 2: Convert to fraction form
    28,357.14/42,537.68 = 9,629.54/x
  3. Step 3: Cross multiply
    28,357.14x = 42,537.68 × 9,629.54
  4. Step 4: Simplify right side
    28,357.14x = 409,618,291.07
  5. Step 5: Solve for x
    x = 409,618,291.07/28,357.14
  6. Step 6: Final answer
    x = 14,444.98

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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.