Home / 20,829.05-28,714.19-14,850.34

Finding the Fourth Proportional to 20,829.05, 28,714.19 and 14,850.34

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Solution

The fourth proportional to 20,829.05, 28,714.19 and 14,850.34 is: 20,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829.05 : 28,714.19 = 14,850.34 : x
  2. Step 2: Convert to fraction form
    20,829.05/28,714.19 = 14,850.34/x
  3. Step 3: Cross multiply
    20,829.05x = 28,714.19 × 14,850.34
  4. Step 4: Simplify right side
    20,829.05x = 426,415,338.29
  5. Step 5: Solve for x
    x = 426,415,338.29/20,829.05
  6. Step 6: Final answer
    x = 20,472.15

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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.