Home / 57,309.94-85,960.84-15,189.09

Finding the Fourth Proportional to 57,309.94, 85,960.84 and 15,189.09

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Solution

The fourth proportional to 57,309.94, 85,960.84 and 15,189.09 is: 22,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309.94 : 85,960.84 = 15,189.09 : x
  2. Step 2: Convert to fraction form
    57,309.94/85,960.84 = 15,189.09/x
  3. Step 3: Cross multiply
    57,309.94x = 85,960.84 × 15,189.09
  4. Step 4: Simplify right side
    57,309.94x = 1,305,666,935.24
  5. Step 5: Solve for x
    x = 1,305,666,935.24/57,309.94
  6. Step 6: Final answer
    x = 22,782.56

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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.