Home / 27,071.22-40,610.64-8,352.78

Finding the Fourth Proportional to 27,071.22, 40,610.64 and 8,352.78

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Solution

The fourth proportional to 27,071.22, 40,610.64 and 8,352.78 is: 12,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,071.22 : 40,610.64 = 8,352.78 : x
  2. Step 2: Convert to fraction form
    27,071.22/40,610.64 = 8,352.78/x
  3. Step 3: Cross multiply
    27,071.22x = 40,610.64 × 8,352.78
  4. Step 4: Simplify right side
    27,071.22x = 339,211,538.53
  5. Step 5: Solve for x
    x = 339,211,538.53/27,071.22
  6. Step 6: Final answer
    x = 12,530.34

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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.