Home / 16,855.69-25,283.55-15,816.87

Finding the Fourth Proportional to 16,855.69, 25,283.55 and 15,816.87

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Solution

The fourth proportional to 16,855.69, 25,283.55 and 15,816.87 is: 23,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.69 : 25,283.55 = 15,816.87 : x
  2. Step 2: Convert to fraction form
    16,855.69/25,283.55 = 15,816.87/x
  3. Step 3: Cross multiply
    16,855.69x = 25,283.55 × 15,816.87
  4. Step 4: Simplify right side
    16,855.69x = 399,906,623.49
  5. Step 5: Solve for x
    x = 399,906,623.49/16,855.69
  6. Step 6: Final answer
    x = 23,725.32

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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.