Home / 21,524.09-29,709.44-13,026.24

Finding the Fourth Proportional to 21,524.09, 29,709.44 and 13,026.24

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Solution

The fourth proportional to 21,524.09, 29,709.44 and 13,026.24 is: 17,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.09 : 29,709.44 = 13,026.24 : x
  2. Step 2: Convert to fraction form
    21,524.09/29,709.44 = 13,026.24/x
  3. Step 3: Cross multiply
    21,524.09x = 29,709.44 × 13,026.24
  4. Step 4: Simplify right side
    21,524.09x = 387,002,230.57
  5. Step 5: Solve for x
    x = 387,002,230.57/21,524.09
  6. Step 6: Final answer
    x = 17,979.96

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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.