Home / 38,893.32-58,335.12-10,815.48

Finding the Fourth Proportional to 38,893.32, 58,335.12 and 10,815.48

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Solution

The fourth proportional to 38,893.32, 58,335.12 and 10,815.48 is: 16,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,893.32 : 58,335.12 = 10,815.48 : x
  2. Step 2: Convert to fraction form
    38,893.32/58,335.12 = 10,815.48/x
  3. Step 3: Cross multiply
    38,893.32x = 58,335.12 × 10,815.48
  4. Step 4: Simplify right side
    38,893.32x = 630,922,323.66
  5. Step 5: Solve for x
    x = 630,922,323.66/38,893.32
  6. Step 6: Final answer
    x = 16,221.87

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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.