Home / 38,577.40-57,866.10-17,789.56

Finding the Fourth Proportional to 38,577.40, 57,866.10 and 17,789.56

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Solution

The fourth proportional to 38,577.40, 57,866.10 and 17,789.56 is: 26,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.40 : 57,866.10 = 17,789.56 : x
  2. Step 2: Convert to fraction form
    38,577.40/57,866.10 = 17,789.56/x
  3. Step 3: Cross multiply
    38,577.40x = 57,866.10 × 17,789.56
  4. Step 4: Simplify right side
    38,577.40x = 1,029,412,457.92
  5. Step 5: Solve for x
    x = 1,029,412,457.92/38,577.40
  6. Step 6: Final answer
    x = 26,684.34

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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.