Home / 28,153.25-38,842.05-16,216.31

Finding the Fourth Proportional to 28,153.25, 38,842.05 and 16,216.31

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Solution

The fourth proportional to 28,153.25, 38,842.05 and 16,216.31 is: 22,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.25 : 38,842.05 = 16,216.31 : x
  2. Step 2: Convert to fraction form
    28,153.25/38,842.05 = 16,216.31/x
  3. Step 3: Cross multiply
    28,153.25x = 38,842.05 × 16,216.31
  4. Step 4: Simplify right side
    28,153.25x = 629,874,723.84
  5. Step 5: Solve for x
    x = 629,874,723.84/28,153.25
  6. Step 6: Final answer
    x = 22,373.07

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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.