Home / 27,103.37-40,656.09-8,381.72

Finding the Fourth Proportional to 27,103.37, 40,656.09 and 8,381.72

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Solution

The fourth proportional to 27,103.37, 40,656.09 and 8,381.72 is: 12,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.37 : 40,656.09 = 8,381.72 : x
  2. Step 2: Convert to fraction form
    27,103.37/40,656.09 = 8,381.72/x
  3. Step 3: Cross multiply
    27,103.37x = 40,656.09 × 8,381.72
  4. Step 4: Simplify right side
    27,103.37x = 340,767,759.39
  5. Step 5: Solve for x
    x = 340,767,759.39/27,103.37
  6. Step 6: Final answer
    x = 12,572.89

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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.