Home / 20,071.80-27,694.08-11,576.52

Finding the Fourth Proportional to 20,071.80, 27,694.08 and 11,576.52

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Solution

The fourth proportional to 20,071.80, 27,694.08 and 11,576.52 is: 15,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.80 : 27,694.08 = 11,576.52 : x
  2. Step 2: Convert to fraction form
    20,071.80/27,694.08 = 11,576.52/x
  3. Step 3: Cross multiply
    20,071.80x = 27,694.08 × 11,576.52
  4. Step 4: Simplify right side
    20,071.80x = 320,601,071.00
  5. Step 5: Solve for x
    x = 320,601,071.00/20,071.80
  6. Step 6: Final answer
    x = 15,972.71

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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.