Home / 28,940.88-39,925.74-16,998.83

Finding the Fourth Proportional to 28,940.88, 39,925.74 and 16,998.83

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Solution

The fourth proportional to 28,940.88, 39,925.74 and 16,998.83 is: 23,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.88 : 39,925.74 = 16,998.83 : x
  2. Step 2: Convert to fraction form
    28,940.88/39,925.74 = 16,998.83/x
  3. Step 3: Cross multiply
    28,940.88x = 39,925.74 × 16,998.83
  4. Step 4: Simplify right side
    28,940.88x = 678,690,966.70
  5. Step 5: Solve for x
    x = 678,690,966.70/28,940.88
  6. Step 6: Final answer
    x = 23,450.95

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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.