Home / 28,029.88-42,062.46-11,390.32

Finding the Fourth Proportional to 28,029.88, 42,062.46 and 11,390.32

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Solution

The fourth proportional to 28,029.88, 42,062.46 and 11,390.32 is: 17,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.88 : 42,062.46 = 11,390.32 : x
  2. Step 2: Convert to fraction form
    28,029.88/42,062.46 = 11,390.32/x
  3. Step 3: Cross multiply
    28,029.88x = 42,062.46 × 11,390.32
  4. Step 4: Simplify right side
    28,029.88x = 479,104,879.39
  5. Step 5: Solve for x
    x = 479,104,879.39/28,029.88
  6. Step 6: Final answer
    x = 17,092.65

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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.