Home / 27,285.32-40,873.82-21,023.62

Finding the Fourth Proportional to 27,285.32, 40,873.82 and 21,023.62

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Solution

The fourth proportional to 27,285.32, 40,873.82 and 21,023.62 is: 31,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.32 : 40,873.82 = 21,023.62 : x
  2. Step 2: Convert to fraction form
    27,285.32/40,873.82 = 21,023.62/x
  3. Step 3: Cross multiply
    27,285.32x = 40,873.82 × 21,023.62
  4. Step 4: Simplify right side
    27,285.32x = 859,315,452.33
  5. Step 5: Solve for x
    x = 859,315,452.33/27,285.32
  6. Step 6: Final answer
    x = 31,493.69

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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.