Home / 20,598.94-28,427.30-11,645.91

Finding the Fourth Proportional to 20,598.94, 28,427.30 and 11,645.91

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Solution

The fourth proportional to 20,598.94, 28,427.30 and 11,645.91 is: 16,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.94 : 28,427.30 = 11,645.91 : x
  2. Step 2: Convert to fraction form
    20,598.94/28,427.30 = 11,645.91/x
  3. Step 3: Cross multiply
    20,598.94x = 28,427.30 × 11,645.91
  4. Step 4: Simplify right side
    20,598.94x = 331,061,706.27
  5. Step 5: Solve for x
    x = 331,061,706.27/20,598.94
  6. Step 6: Final answer
    x = 16,071.79

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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.