Home / 15,408.32-23,112.41-3,721.50

Finding the Fourth Proportional to 15,408.32, 23,112.41 and 3,721.50

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Solution

The fourth proportional to 15,408.32, 23,112.41 and 3,721.50 is: 5,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.32 : 23,112.41 = 3,721.50 : x
  2. Step 2: Convert to fraction form
    15,408.32/23,112.41 = 3,721.50/x
  3. Step 3: Cross multiply
    15,408.32x = 23,112.41 × 3,721.50
  4. Step 4: Simplify right side
    15,408.32x = 86,012,815.21
  5. Step 5: Solve for x
    x = 86,012,815.21/15,408.32
  6. Step 6: Final answer
    x = 5,582.23

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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.