Home / 20,958.04-28,924.56-12,008.42

Finding the Fourth Proportional to 20,958.04, 28,924.56 and 12,008.42

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Solution

The fourth proportional to 20,958.04, 28,924.56 and 12,008.42 is: 16,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,958.04 : 28,924.56 = 12,008.42 : x
  2. Step 2: Convert to fraction form
    20,958.04/28,924.56 = 12,008.42/x
  3. Step 3: Cross multiply
    20,958.04x = 28,924.56 × 12,008.42
  4. Step 4: Simplify right side
    20,958.04x = 347,338,228.64
  5. Step 5: Solve for x
    x = 347,338,228.64/20,958.04
  6. Step 6: Final answer
    x = 16,573.03

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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.