Home / 28,772.98-39,707.49-16,198.18

Finding the Fourth Proportional to 28,772.98, 39,707.49 and 16,198.18

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Solution

The fourth proportional to 28,772.98, 39,707.49 and 16,198.18 is: 22,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772.98 : 39,707.49 = 16,198.18 : x
  2. Step 2: Convert to fraction form
    28,772.98/39,707.49 = 16,198.18/x
  3. Step 3: Cross multiply
    28,772.98x = 39,707.49 × 16,198.18
  4. Step 4: Simplify right side
    28,772.98x = 643,189,070.37
  5. Step 5: Solve for x
    x = 643,189,070.37/28,772.98
  6. Step 6: Final answer
    x = 22,353.93

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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.