Home / 38,406.92-52,986.83-28,359.27

Finding the Fourth Proportional to 38,406.92, 52,986.83 and 28,359.27

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Solution

The fourth proportional to 38,406.92, 52,986.83 and 28,359.27 is: 39,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406.92 : 52,986.83 = 28,359.27 : x
  2. Step 2: Convert to fraction form
    38,406.92/52,986.83 = 28,359.27/x
  3. Step 3: Cross multiply
    38,406.92x = 52,986.83 × 28,359.27
  4. Step 4: Simplify right side
    38,406.92x = 1,502,667,676.62
  5. Step 5: Solve for x
    x = 1,502,667,676.62/38,406.92
  6. Step 6: Final answer
    x = 39,124.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.