Home / 28,067.09-42,064.26-11,407.77

Finding the Fourth Proportional to 28,067.09, 42,064.26 and 11,407.77

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Solution

The fourth proportional to 28,067.09, 42,064.26 and 11,407.77 is: 17,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.09 : 42,064.26 = 11,407.77 : x
  2. Step 2: Convert to fraction form
    28,067.09/42,064.26 = 11,407.77/x
  3. Step 3: Cross multiply
    28,067.09x = 42,064.26 × 11,407.77
  4. Step 4: Simplify right side
    28,067.09x = 479,859,403.30
  5. Step 5: Solve for x
    x = 479,859,403.30/28,067.09
  6. Step 6: Final answer
    x = 17,096.87

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1.5x scale

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.