Home / 30,928.68-42,650.28-27,514.98

Finding the Fourth Proportional to 30,928.68, 42,650.28 and 27,514.98

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Solution

The fourth proportional to 30,928.68, 42,650.28 and 27,514.98 is: 37,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.68 : 42,650.28 = 27,514.98 : x
  2. Step 2: Convert to fraction form
    30,928.68/42,650.28 = 27,514.98/x
  3. Step 3: Cross multiply
    30,928.68x = 42,650.28 × 27,514.98
  4. Step 4: Simplify right side
    30,928.68x = 1,173,521,601.19
  5. Step 5: Solve for x
    x = 1,173,521,601.19/30,928.68
  6. Step 6: Final answer
    x = 37,942.83

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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.