Home / 20,753.37-28,645.79-14,467.77

Finding the Fourth Proportional to 20,753.37, 28,645.79 and 14,467.77

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Solution

The fourth proportional to 20,753.37, 28,645.79 and 14,467.77 is: 19,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753.37 : 28,645.79 = 14,467.77 : x
  2. Step 2: Convert to fraction form
    20,753.37/28,645.79 = 14,467.77/x
  3. Step 3: Cross multiply
    20,753.37x = 28,645.79 × 14,467.77
  4. Step 4: Simplify right side
    20,753.37x = 414,440,628.85
  5. Step 5: Solve for x
    x = 414,440,628.85/20,753.37
  6. Step 6: Final answer
    x = 19,969.80

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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.