Home / 18,446.37-27,669.57-16,605.21

Finding the Fourth Proportional to 18,446.37, 27,669.57 and 16,605.21

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Solution

The fourth proportional to 18,446.37, 27,669.57 and 16,605.21 is: 24,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.37 : 27,669.57 = 16,605.21 : x
  2. Step 2: Convert to fraction form
    18,446.37/27,669.57 = 16,605.21/x
  3. Step 3: Cross multiply
    18,446.37x = 27,669.57 × 16,605.21
  4. Step 4: Simplify right side
    18,446.37x = 459,459,020.46
  5. Step 5: Solve for x
    x = 459,459,020.46/18,446.37
  6. Step 6: Final answer
    x = 24,907.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.