Home / 17,922.49-26,880.70-5,439.50

Finding the Fourth Proportional to 17,922.49, 26,880.70 and 5,439.50

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Solution

The fourth proportional to 17,922.49, 26,880.70 and 5,439.50 is: 8,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,922.49 : 26,880.70 = 5,439.50 : x
  2. Step 2: Convert to fraction form
    17,922.49/26,880.70 = 5,439.50/x
  3. Step 3: Cross multiply
    17,922.49x = 26,880.70 × 5,439.50
  4. Step 4: Simplify right side
    17,922.49x = 146,217,567.65
  5. Step 5: Solve for x
    x = 146,217,567.65/17,922.49
  6. Step 6: Final answer
    x = 8,158.33

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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.