Home / 83,857.32-125,786.07-21,527.82

Finding the Fourth Proportional to 83,857.32, 125,786.07 and 21,527.82

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Solution

The fourth proportional to 83,857.32, 125,786.07 and 21,527.82 is: 32,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,857.32 : 125,786.07 = 21,527.82 : x
  2. Step 2: Convert to fraction form
    83,857.32/125,786.07 = 21,527.82/x
  3. Step 3: Cross multiply
    83,857.32x = 125,786.07 × 21,527.82
  4. Step 4: Simplify right side
    83,857.32x = 2,707,899,873.47
  5. Step 5: Solve for x
    x = 2,707,899,873.47/83,857.32
  6. Step 6: Final answer
    x = 32,291.75

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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.