Home / 28,186.73-38,904.68-16,257.23

Finding the Fourth Proportional to 28,186.73, 38,904.68 and 16,257.23

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Solution

The fourth proportional to 28,186.73, 38,904.68 and 16,257.23 is: 22,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.73 : 38,904.68 = 16,257.23 : x
  2. Step 2: Convert to fraction form
    28,186.73/38,904.68 = 16,257.23/x
  3. Step 3: Cross multiply
    28,186.73x = 38,904.68 × 16,257.23
  4. Step 4: Simplify right side
    28,186.73x = 632,482,249.55
  5. Step 5: Solve for x
    x = 632,482,249.55/28,186.73
  6. Step 6: Final answer
    x = 22,439.01

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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.