Home / 28,940.74-39,925.55-16,998.69

Finding the Fourth Proportional to 28,940.74, 39,925.55 and 16,998.69

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Solution

The fourth proportional to 28,940.74, 39,925.55 and 16,998.69 is: 23,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.74 : 39,925.55 = 16,998.69 : x
  2. Step 2: Convert to fraction form
    28,940.74/39,925.55 = 16,998.69/x
  3. Step 3: Cross multiply
    28,940.74x = 39,925.55 × 16,998.69
  4. Step 4: Simplify right side
    28,940.74x = 678,682,053.33
  5. Step 5: Solve for x
    x = 678,682,053.33/28,940.74
  6. Step 6: Final answer
    x = 23,450.75

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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.