Home / 28,620.68-39,496.38-16,045.16

Finding the Fourth Proportional to 28,620.68, 39,496.38 and 16,045.16

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Solution

The fourth proportional to 28,620.68, 39,496.38 and 16,045.16 is: 22,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.68 : 39,496.38 = 16,045.16 : x
  2. Step 2: Convert to fraction form
    28,620.68/39,496.38 = 16,045.16/x
  3. Step 3: Cross multiply
    28,620.68x = 39,496.38 × 16,045.16
  4. Step 4: Simplify right side
    28,620.68x = 633,725,736.52
  5. Step 5: Solve for x
    x = 633,725,736.52/28,620.68
  6. Step 6: Final answer
    x = 22,142.23

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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.