Home / 27,581.45-38,050.97-18,018.05

Finding the Fourth Proportional to 27,581.45, 38,050.97 and 18,018.05

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Solution

The fourth proportional to 27,581.45, 38,050.97 and 18,018.05 is: 24,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.45 : 38,050.97 = 18,018.05 : x
  2. Step 2: Convert to fraction form
    27,581.45/38,050.97 = 18,018.05/x
  3. Step 3: Cross multiply
    27,581.45x = 38,050.97 × 18,018.05
  4. Step 4: Simplify right side
    27,581.45x = 685,603,999.66
  5. Step 5: Solve for x
    x = 685,603,999.66/27,581.45
  6. Step 6: Final answer
    x = 24,857.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.