Home / 16,880.80-25,322.64-4,402.48

Finding the Fourth Proportional to 16,880.80, 25,322.64 and 4,402.48

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Solution

The fourth proportional to 16,880.80, 25,322.64 and 4,402.48 is: 6,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.80 : 25,322.64 = 4,402.48 : x
  2. Step 2: Convert to fraction form
    16,880.80/25,322.64 = 4,402.48/x
  3. Step 3: Cross multiply
    16,880.80x = 25,322.64 × 4,402.48
  4. Step 4: Simplify right side
    16,880.80x = 111,482,416.15
  5. Step 5: Solve for x
    x = 111,482,416.15/16,880.80
  6. Step 6: Final answer
    x = 6,604.10

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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.