Home / 26,811.90-40,201.65-12,018.06

Finding the Fourth Proportional to 26,811.90, 40,201.65 and 12,018.06

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Solution

The fourth proportional to 26,811.90, 40,201.65 and 12,018.06 is: 18,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.90 : 40,201.65 = 12,018.06 : x
  2. Step 2: Convert to fraction form
    26,811.90/40,201.65 = 12,018.06/x
  3. Step 3: Cross multiply
    26,811.90x = 40,201.65 × 12,018.06
  4. Step 4: Simplify right side
    26,811.90x = 483,145,841.80
  5. Step 5: Solve for x
    x = 483,145,841.80/26,811.90
  6. Step 6: Final answer
    x = 18,019.83

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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.