Home / 21,028.32-29,019.09-11,597.49

Finding the Fourth Proportional to 21,028.32, 29,019.09 and 11,597.49

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Solution

The fourth proportional to 21,028.32, 29,019.09 and 11,597.49 is: 16,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028.32 : 29,019.09 = 11,597.49 : x
  2. Step 2: Convert to fraction form
    21,028.32/29,019.09 = 11,597.49/x
  3. Step 3: Cross multiply
    21,028.32x = 29,019.09 × 11,597.49
  4. Step 4: Simplify right side
    21,028.32x = 336,548,606.08
  5. Step 5: Solve for x
    x = 336,548,606.08/21,028.32
  6. Step 6: Final answer
    x = 16,004.54

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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.