Home / 15,679.60-23,519.49-3,992.83

Finding the Fourth Proportional to 15,679.60, 23,519.49 and 3,992.83

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Solution

The fourth proportional to 15,679.60, 23,519.49 and 3,992.83 is: 5,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.60 : 23,519.49 = 3,992.83 : x
  2. Step 2: Convert to fraction form
    15,679.60/23,519.49 = 3,992.83/x
  3. Step 3: Cross multiply
    15,679.60x = 23,519.49 × 3,992.83
  4. Step 4: Simplify right side
    15,679.60x = 93,909,325.26
  5. Step 5: Solve for x
    x = 93,909,325.26/15,679.60
  6. Step 6: Final answer
    x = 5,989.27

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1.5x scale

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.