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Finding the Fourth Proportional to 23,324.91, 34,980.97 and 13,957.56

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Solution

The fourth proportional to 23,324.91, 34,980.97 and 13,957.56 is: 20,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,324.91 : 34,980.97 = 13,957.56 : x
  2. Step 2: Convert to fraction form
    23,324.91/34,980.97 = 13,957.56/x
  3. Step 3: Cross multiply
    23,324.91x = 34,980.97 × 13,957.56
  4. Step 4: Simplify right side
    23,324.91x = 488,248,987.63
  5. Step 5: Solve for x
    x = 488,248,987.63/23,324.91
  6. Step 6: Final answer
    x = 20,932.51

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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.