Home / 20,308.86-28,029.24-14,662.62

Finding the Fourth Proportional to 20,308.86, 28,029.24 and 14,662.62

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Solution

The fourth proportional to 20,308.86, 28,029.24 and 14,662.62 is: 20,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308.86 : 28,029.24 = 14,662.62 : x
  2. Step 2: Convert to fraction form
    20,308.86/28,029.24 = 14,662.62/x
  3. Step 3: Cross multiply
    20,308.86x = 28,029.24 × 14,662.62
  4. Step 4: Simplify right side
    20,308.86x = 410,982,095.01
  5. Step 5: Solve for x
    x = 410,982,095.01/20,308.86
  6. Step 6: Final answer
    x = 20,236.59

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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.