Home / 28,222.67-38,948.49-16,285.97

Finding the Fourth Proportional to 28,222.67, 38,948.49 and 16,285.97

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Solution

The fourth proportional to 28,222.67, 38,948.49 and 16,285.97 is: 22,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.67 : 38,948.49 = 16,285.97 : x
  2. Step 2: Convert to fraction form
    28,222.67/38,948.49 = 16,285.97/x
  3. Step 3: Cross multiply
    28,222.67x = 38,948.49 × 16,285.97
  4. Step 4: Simplify right side
    28,222.67x = 634,313,744.94
  5. Step 5: Solve for x
    x = 634,313,744.94/28,222.67
  6. Step 6: Final answer
    x = 22,475.33

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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.