Home / 21,634.24-29,598.41-21,540.79

Finding the Fourth Proportional to 21,634.24, 29,598.41 and 21,540.79

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Solution

The fourth proportional to 21,634.24, 29,598.41 and 21,540.79 is: 29,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.24 : 29,598.41 = 21,540.79 : x
  2. Step 2: Convert to fraction form
    21,634.24/29,598.41 = 21,540.79/x
  3. Step 3: Cross multiply
    21,634.24x = 29,598.41 × 21,540.79
  4. Step 4: Simplify right side
    21,634.24x = 637,573,134.14
  5. Step 5: Solve for x
    x = 637,573,134.14/21,634.24
  6. Step 6: Final answer
    x = 29,470.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.