Home / 28,725.80-39,635.94-16,148.84

Finding the Fourth Proportional to 28,725.80, 39,635.94 and 16,148.84

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Solution

The fourth proportional to 28,725.80, 39,635.94 and 16,148.84 is: 22,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.80 : 39,635.94 = 16,148.84 : x
  2. Step 2: Convert to fraction form
    28,725.80/39,635.94 = 16,148.84/x
  3. Step 3: Cross multiply
    28,725.80x = 39,635.94 × 16,148.84
  4. Step 4: Simplify right side
    28,725.80x = 640,074,453.31
  5. Step 5: Solve for x
    x = 640,074,453.31/28,725.80
  6. Step 6: Final answer
    x = 22,282.22

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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.