Home / 26,011.20-39,018.24-11,020.80

Finding the Fourth Proportional to 26,011.20, 39,018.24 and 11,020.80

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Solution

The fourth proportional to 26,011.20, 39,018.24 and 11,020.80 is: 16,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,011.20 : 39,018.24 = 11,020.80 : x
  2. Step 2: Convert to fraction form
    26,011.20/39,018.24 = 11,020.80/x
  3. Step 3: Cross multiply
    26,011.20x = 39,018.24 × 11,020.80
  4. Step 4: Simplify right side
    26,011.20x = 430,012,219.39
  5. Step 5: Solve for x
    x = 430,012,219.39/26,011.20
  6. Step 6: Final answer
    x = 16,531.81

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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.