Home / 20,488.82-30,680.93-16,334.89

Finding the Fourth Proportional to 20,488.82, 30,680.93 and 16,334.89

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Solution

The fourth proportional to 20,488.82, 30,680.93 and 16,334.89 is: 24,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488.82 : 30,680.93 = 16,334.89 : x
  2. Step 2: Convert to fraction form
    20,488.82/30,680.93 = 16,334.89/x
  3. Step 3: Cross multiply
    20,488.82x = 30,680.93 × 16,334.89
  4. Step 4: Simplify right side
    20,488.82x = 501,169,616.65
  5. Step 5: Solve for x
    x = 501,169,616.65/20,488.82
  6. Step 6: Final answer
    x = 24,460.64

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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.