Home / 38,429.78-57,655.80-15,936.27

Finding the Fourth Proportional to 38,429.78, 57,655.80 and 15,936.27

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Solution

The fourth proportional to 38,429.78, 57,655.80 and 15,936.27 is: 23,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.78 : 57,655.80 = 15,936.27 : x
  2. Step 2: Convert to fraction form
    38,429.78/57,655.80 = 15,936.27/x
  3. Step 3: Cross multiply
    38,429.78x = 57,655.80 × 15,936.27
  4. Step 4: Simplify right side
    38,429.78x = 918,818,395.87
  5. Step 5: Solve for x
    x = 918,818,395.87/38,429.78
  6. Step 6: Final answer
    x = 23,909.02

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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.