Home / 38,429.51-57,655.44-15,936.07

Finding the Fourth Proportional to 38,429.51, 57,655.44 and 15,936.07

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Solution

The fourth proportional to 38,429.51, 57,655.44 and 15,936.07 is: 23,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.51 : 57,655.44 = 15,936.07 : x
  2. Step 2: Convert to fraction form
    38,429.51/57,655.44 = 15,936.07/x
  3. Step 3: Cross multiply
    38,429.51x = 57,655.44 × 15,936.07
  4. Step 4: Simplify right side
    38,429.51x = 918,800,903.90
  5. Step 5: Solve for x
    x = 918,800,903.90/38,429.51
  6. Step 6: Final answer
    x = 23,908.73

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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.