Home / 26,649.72-39,974.52-10,861.32

Finding the Fourth Proportional to 26,649.72, 39,974.52 and 10,861.32

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Solution

The fourth proportional to 26,649.72, 39,974.52 and 10,861.32 is: 16,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.72 : 39,974.52 = 10,861.32 : x
  2. Step 2: Convert to fraction form
    26,649.72/39,974.52 = 10,861.32/x
  3. Step 3: Cross multiply
    26,649.72x = 39,974.52 × 10,861.32
  4. Step 4: Simplify right side
    26,649.72x = 434,176,053.57
  5. Step 5: Solve for x
    x = 434,176,053.57/26,649.72
  6. Step 6: Final answer
    x = 16,291.96

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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.