Home / 27,104.40-40,644.45-12,305.70

Finding the Fourth Proportional to 27,104.40, 40,644.45 and 12,305.70

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Solution

The fourth proportional to 27,104.40, 40,644.45 and 12,305.70 is: 18,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.40 : 40,644.45 = 12,305.70 : x
  2. Step 2: Convert to fraction form
    27,104.40/40,644.45 = 12,305.70/x
  3. Step 3: Cross multiply
    27,104.40x = 40,644.45 × 12,305.70
  4. Step 4: Simplify right side
    27,104.40x = 500,158,408.37
  5. Step 5: Solve for x
    x = 500,158,408.37/27,104.40
  6. Step 6: Final answer
    x = 18,453.03

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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.