Home / 28,946.52-39,945.60-16,198.92

Finding the Fourth Proportional to 28,946.52, 39,945.60 and 16,198.92

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Solution

The fourth proportional to 28,946.52, 39,945.60 and 16,198.92 is: 22,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.52 : 39,945.60 = 16,198.92 : x
  2. Step 2: Convert to fraction form
    28,946.52/39,945.60 = 16,198.92/x
  3. Step 3: Cross multiply
    28,946.52x = 39,945.60 × 16,198.92
  4. Step 4: Simplify right side
    28,946.52x = 647,075,578.75
  5. Step 5: Solve for x
    x = 647,075,578.75/28,946.52
  6. Step 6: Final answer
    x = 22,354.18

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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.