Home / 19,577.28-27,029.88-12,513.24

Finding the Fourth Proportional to 19,577.28, 27,029.88 and 12,513.24

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Solution

The fourth proportional to 19,577.28, 27,029.88 and 12,513.24 is: 17,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.28 : 27,029.88 = 12,513.24 : x
  2. Step 2: Convert to fraction form
    19,577.28/27,029.88 = 12,513.24/x
  3. Step 3: Cross multiply
    19,577.28x = 27,029.88 × 12,513.24
  4. Step 4: Simplify right side
    19,577.28x = 338,231,375.61
  5. Step 5: Solve for x
    x = 338,231,375.61/19,577.28
  6. Step 6: Final answer
    x = 17,276.73

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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.