Home / 20,733.75-28,602.72-14,021.73

Finding the Fourth Proportional to 20,733.75, 28,602.72 and 14,021.73

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Solution

The fourth proportional to 20,733.75, 28,602.72 and 14,021.73 is: 19,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.75 : 28,602.72 = 14,021.73 : x
  2. Step 2: Convert to fraction form
    20,733.75/28,602.72 = 14,021.73/x
  3. Step 3: Cross multiply
    20,733.75x = 28,602.72 × 14,021.73
  4. Step 4: Simplify right side
    20,733.75x = 401,059,617.11
  5. Step 5: Solve for x
    x = 401,059,617.11/20,733.75
  6. Step 6: Final answer
    x = 19,343.32

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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.