Home / 28,039.07-42,119.66-16,950.98

Finding the Fourth Proportional to 28,039.07, 42,119.66 and 16,950.98

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Solution

The fourth proportional to 28,039.07, 42,119.66 and 16,950.98 is: 25,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039.07 : 42,119.66 = 16,950.98 : x
  2. Step 2: Convert to fraction form
    28,039.07/42,119.66 = 16,950.98/x
  3. Step 3: Cross multiply
    28,039.07x = 42,119.66 × 16,950.98
  4. Step 4: Simplify right side
    28,039.07x = 713,969,661.94
  5. Step 5: Solve for x
    x = 713,969,661.94/28,039.07
  6. Step 6: Final answer
    x = 25,463.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.