Home / 21,052.24-29,054.88-13,499.84

Finding the Fourth Proportional to 21,052.24, 29,054.88 and 13,499.84

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Solution

The fourth proportional to 21,052.24, 29,054.88 and 13,499.84 is: 18,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.24 : 29,054.88 = 13,499.84 : x
  2. Step 2: Convert to fraction form
    21,052.24/29,054.88 = 13,499.84/x
  3. Step 3: Cross multiply
    21,052.24x = 29,054.88 × 13,499.84
  4. Step 4: Simplify right side
    21,052.24x = 392,236,231.22
  5. Step 5: Solve for x
    x = 392,236,231.22/21,052.24
  6. Step 6: Final answer
    x = 18,631.57

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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.