Home / 18,021.40-26,999.70-14,716.60

Finding the Fourth Proportional to 18,021.40, 26,999.70 and 14,716.60

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Solution

The fourth proportional to 18,021.40, 26,999.70 and 14,716.60 is: 22,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.40 : 26,999.70 = 14,716.60 : x
  2. Step 2: Convert to fraction form
    18,021.40/26,999.70 = 14,716.60/x
  3. Step 3: Cross multiply
    18,021.40x = 26,999.70 × 14,716.60
  4. Step 4: Simplify right side
    18,021.40x = 397,343,785.02
  5. Step 5: Solve for x
    x = 397,343,785.02/18,021.40
  6. Step 6: Final answer
    x = 22,048.44

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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.