Home / 30,007.92-41,408.88-16,579.20

Finding the Fourth Proportional to 30,007.92, 41,408.88 and 16,579.20

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Solution

The fourth proportional to 30,007.92, 41,408.88 and 16,579.20 is: 22,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.92 : 41,408.88 = 16,579.20 : x
  2. Step 2: Convert to fraction form
    30,007.92/41,408.88 = 16,579.20/x
  3. Step 3: Cross multiply
    30,007.92x = 41,408.88 × 16,579.20
  4. Step 4: Simplify right side
    30,007.92x = 686,526,103.30
  5. Step 5: Solve for x
    x = 686,526,103.30/30,007.92
  6. Step 6: Final answer
    x = 22,878.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.