Home / 27,152.69-40,735.41-8,431.76

Finding the Fourth Proportional to 27,152.69, 40,735.41 and 8,431.76

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Solution

The fourth proportional to 27,152.69, 40,735.41 and 8,431.76 is: 12,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.69 : 40,735.41 = 8,431.76 : x
  2. Step 2: Convert to fraction form
    27,152.69/40,735.41 = 8,431.76/x
  3. Step 3: Cross multiply
    27,152.69x = 40,735.41 × 8,431.76
  4. Step 4: Simplify right side
    27,152.69x = 343,471,200.62
  5. Step 5: Solve for x
    x = 343,471,200.62/27,152.69
  6. Step 6: Final answer
    x = 12,649.62

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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.