Home / 26,648.70-40,059.45-18,911.10

Finding the Fourth Proportional to 26,648.70, 40,059.45 and 18,911.10

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Solution

The fourth proportional to 26,648.70, 40,059.45 and 18,911.10 is: 28,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.70 : 40,059.45 = 18,911.10 : x
  2. Step 2: Convert to fraction form
    26,648.70/40,059.45 = 18,911.10/x
  3. Step 3: Cross multiply
    26,648.70x = 40,059.45 × 18,911.10
  4. Step 4: Simplify right side
    26,648.70x = 757,568,264.90
  5. Step 5: Solve for x
    x = 757,568,264.90/26,648.70
  6. Step 6: Final answer
    x = 28,427.96

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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.