Home / 28,877.52-39,849.48-16,942.80

Finding the Fourth Proportional to 28,877.52, 39,849.48 and 16,942.80

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Solution

The fourth proportional to 28,877.52, 39,849.48 and 16,942.80 is: 23,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.52 : 39,849.48 = 16,942.80 : x
  2. Step 2: Convert to fraction form
    28,877.52/39,849.48 = 16,942.80/x
  3. Step 3: Cross multiply
    28,877.52x = 39,849.48 × 16,942.80
  4. Step 4: Simplify right side
    28,877.52x = 675,161,769.74
  5. Step 5: Solve for x
    x = 675,161,769.74/28,877.52
  6. Step 6: Final answer
    x = 23,380.19

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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.