Home / 20,009.81-27,609.66-12,052.55

Finding the Fourth Proportional to 20,009.81, 27,609.66 and 12,052.55

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Solution

The fourth proportional to 20,009.81, 27,609.66 and 12,052.55 is: 16,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.81 : 27,609.66 = 12,052.55 : x
  2. Step 2: Convert to fraction form
    20,009.81/27,609.66 = 12,052.55/x
  3. Step 3: Cross multiply
    20,009.81x = 27,609.66 × 12,052.55
  4. Step 4: Simplify right side
    20,009.81x = 332,766,669.58
  5. Step 5: Solve for x
    x = 332,766,669.58/20,009.81
  6. Step 6: Final answer
    x = 16,630.18

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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.