Home / 17,921.49-26,880.50-5,441.63

Finding the Fourth Proportional to 17,921.49, 26,880.50 and 5,441.63

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Solution

The fourth proportional to 17,921.49, 26,880.50 and 5,441.63 is: 8,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.49 : 26,880.50 = 5,441.63 : x
  2. Step 2: Convert to fraction form
    17,921.49/26,880.50 = 5,441.63/x
  3. Step 3: Cross multiply
    17,921.49x = 26,880.50 × 5,441.63
  4. Step 4: Simplify right side
    17,921.49x = 146,273,599.91
  5. Step 5: Solve for x
    x = 146,273,599.91/17,921.49
  6. Step 6: Final answer
    x = 8,161.91

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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.