Home / 28,871.86-39,843.66-16,935.52

Finding the Fourth Proportional to 28,871.86, 39,843.66 and 16,935.52

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Solution

The fourth proportional to 28,871.86, 39,843.66 and 16,935.52 is: 23,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.86 : 39,843.66 = 16,935.52 : x
  2. Step 2: Convert to fraction form
    28,871.86/39,843.66 = 16,935.52/x
  3. Step 3: Cross multiply
    28,871.86x = 39,843.66 × 16,935.52
  4. Step 4: Simplify right side
    28,871.86x = 674,773,100.80
  5. Step 5: Solve for x
    x = 674,773,100.80/28,871.86
  6. Step 6: Final answer
    x = 23,371.31

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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.