Home / 21,034.36-31,573.44-15,493.96

Finding the Fourth Proportional to 21,034.36, 31,573.44 and 15,493.96

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Solution

The fourth proportional to 21,034.36, 31,573.44 and 15,493.96 is: 23,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.36 : 31,573.44 = 15,493.96 : x
  2. Step 2: Convert to fraction form
    21,034.36/31,573.44 = 15,493.96/x
  3. Step 3: Cross multiply
    21,034.36x = 31,573.44 × 15,493.96
  4. Step 4: Simplify right side
    21,034.36x = 489,197,616.42
  5. Step 5: Solve for x
    x = 489,197,616.42/21,034.36
  6. Step 6: Final answer
    x = 23,257.07

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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.