Home / 20,033.89-27,638.08-12,071.59

Finding the Fourth Proportional to 20,033.89, 27,638.08 and 12,071.59

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Solution

The fourth proportional to 20,033.89, 27,638.08 and 12,071.59 is: 16,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.89 : 27,638.08 = 12,071.59 : x
  2. Step 2: Convert to fraction form
    20,033.89/27,638.08 = 12,071.59/x
  3. Step 3: Cross multiply
    20,033.89x = 27,638.08 × 12,071.59
  4. Step 4: Simplify right side
    20,033.89x = 333,635,470.87
  5. Step 5: Solve for x
    x = 333,635,470.87/20,033.89
  6. Step 6: Final answer
    x = 16,653.56

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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.