Home / 21,028.88-29,019.64-11,597.52

Finding the Fourth Proportional to 21,028.88, 29,019.64 and 11,597.52

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Solution

The fourth proportional to 21,028.88, 29,019.64 and 11,597.52 is: 16,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028.88 : 29,019.64 = 11,597.52 : x
  2. Step 2: Convert to fraction form
    21,028.88/29,019.64 = 11,597.52/x
  3. Step 3: Cross multiply
    21,028.88x = 29,019.64 × 11,597.52
  4. Step 4: Simplify right side
    21,028.88x = 336,555,855.29
  5. Step 5: Solve for x
    x = 336,555,855.29/21,028.88
  6. Step 6: Final answer
    x = 16,004.46

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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.