Home / 27,000.75-40,508.90-8,283.53

Finding the Fourth Proportional to 27,000.75, 40,508.90 and 8,283.53

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Solution

The fourth proportional to 27,000.75, 40,508.90 and 8,283.53 is: 12,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.75 : 40,508.90 = 8,283.53 : x
  2. Step 2: Convert to fraction form
    27,000.75/40,508.90 = 8,283.53/x
  3. Step 3: Cross multiply
    27,000.75x = 40,508.90 × 8,283.53
  4. Step 4: Simplify right side
    27,000.75x = 335,556,444.45
  5. Step 5: Solve for x
    x = 335,556,444.45/27,000.75
  6. Step 6: Final answer
    x = 12,427.67

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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.