Home / 57,707.85-86,553.09-18,259.83

Finding the Fourth Proportional to 57,707.85, 86,553.09 and 18,259.83

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Solution

The fourth proportional to 57,707.85, 86,553.09 and 18,259.83 is: 27,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,707.85 : 86,553.09 = 18,259.83 : x
  2. Step 2: Convert to fraction form
    57,707.85/86,553.09 = 18,259.83/x
  3. Step 3: Cross multiply
    57,707.85x = 86,553.09 × 18,259.83
  4. Step 4: Simplify right side
    57,707.85x = 1,580,444,709.37
  5. Step 5: Solve for x
    x = 1,580,444,709.37/57,707.85
  6. Step 6: Final answer
    x = 27,387.00

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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.