Home / 28,844.48-39,789.96-19,896.41

Finding the Fourth Proportional to 28,844.48, 39,789.96 and 19,896.41

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Solution

The fourth proportional to 28,844.48, 39,789.96 and 19,896.41 is: 27,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.48 : 39,789.96 = 19,896.41 : x
  2. Step 2: Convert to fraction form
    28,844.48/39,789.96 = 19,896.41/x
  3. Step 3: Cross multiply
    28,844.48x = 39,789.96 × 19,896.41
  4. Step 4: Simplify right side
    28,844.48x = 791,677,358.04
  5. Step 5: Solve for x
    x = 791,677,358.04/28,844.48
  6. Step 6: Final answer
    x = 27,446.41

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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.