Home / 15,977.55-23,968.08-4,291.68

Finding the Fourth Proportional to 15,977.55, 23,968.08 and 4,291.68

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Solution

The fourth proportional to 15,977.55, 23,968.08 and 4,291.68 is: 6,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.55 : 23,968.08 = 4,291.68 : x
  2. Step 2: Convert to fraction form
    15,977.55/23,968.08 = 4,291.68/x
  3. Step 3: Cross multiply
    15,977.55x = 23,968.08 × 4,291.68
  4. Step 4: Simplify right side
    15,977.55x = 102,863,329.57
  5. Step 5: Solve for x
    x = 102,863,329.57/15,977.55
  6. Step 6: Final answer
    x = 6,437.99

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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.