Home / 28,786.07-43,123.71-17,660.27

Finding the Fourth Proportional to 28,786.07, 43,123.71 and 17,660.27

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Solution

The fourth proportional to 28,786.07, 43,123.71 and 17,660.27 is: 26,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.07 : 43,123.71 = 17,660.27 : x
  2. Step 2: Convert to fraction form
    28,786.07/43,123.71 = 17,660.27/x
  3. Step 3: Cross multiply
    28,786.07x = 43,123.71 × 17,660.27
  4. Step 4: Simplify right side
    28,786.07x = 761,576,362.00
  5. Step 5: Solve for x
    x = 761,576,362.00/28,786.07
  6. Step 6: Final answer
    x = 26,456.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.