Home / 28,981.64-39,992.39-16,233.83

Finding the Fourth Proportional to 28,981.64, 39,992.39 and 16,233.83

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Solution

The fourth proportional to 28,981.64, 39,992.39 and 16,233.83 is: 22,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.64 : 39,992.39 = 16,233.83 : x
  2. Step 2: Convert to fraction form
    28,981.64/39,992.39 = 16,233.83/x
  3. Step 3: Cross multiply
    28,981.64x = 39,992.39 × 16,233.83
  4. Step 4: Simplify right side
    28,981.64x = 649,229,379.42
  5. Step 5: Solve for x
    x = 649,229,379.42/28,981.64
  6. Step 6: Final answer
    x = 22,401.41

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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.