Home / 27,755.42-38,303.87-16,431.41

Finding the Fourth Proportional to 27,755.42, 38,303.87 and 16,431.41

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Solution

The fourth proportional to 27,755.42, 38,303.87 and 16,431.41 is: 22,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.42 : 38,303.87 = 16,431.41 : x
  2. Step 2: Convert to fraction form
    27,755.42/38,303.87 = 16,431.41/x
  3. Step 3: Cross multiply
    27,755.42x = 38,303.87 × 16,431.41
  4. Step 4: Simplify right side
    27,755.42x = 629,386,318.88
  5. Step 5: Solve for x
    x = 629,386,318.88/27,755.42
  6. Step 6: Final answer
    x = 22,676.16

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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.