Home / 28,525.03-39,364.79-15,949.78

Finding the Fourth Proportional to 28,525.03, 39,364.79 and 15,949.78

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Solution

The fourth proportional to 28,525.03, 39,364.79 and 15,949.78 is: 22,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.03 : 39,364.79 = 15,949.78 : x
  2. Step 2: Convert to fraction form
    28,525.03/39,364.79 = 15,949.78/x
  3. Step 3: Cross multiply
    28,525.03x = 39,364.79 × 15,949.78
  4. Step 4: Simplify right side
    28,525.03x = 627,859,562.09
  5. Step 5: Solve for x
    x = 627,859,562.09/28,525.03
  6. Step 6: Final answer
    x = 22,010.83

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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.