Home / 22,895.70-31,596.57-12,824.88

Finding the Fourth Proportional to 22,895.70, 31,596.57 and 12,824.88

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Solution

The fourth proportional to 22,895.70, 31,596.57 and 12,824.88 is: 17,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,895.70 : 31,596.57 = 12,824.88 : x
  2. Step 2: Convert to fraction form
    22,895.70/31,596.57 = 12,824.88/x
  3. Step 3: Cross multiply
    22,895.70x = 31,596.57 × 12,824.88
  4. Step 4: Simplify right side
    22,895.70x = 405,222,218.66
  5. Step 5: Solve for x
    x = 405,222,218.66/22,895.70
  6. Step 6: Final answer
    x = 17,698.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.