Home / 19,944.88-29,884.51-15,811.45

Finding the Fourth Proportional to 19,944.88, 29,884.51 and 15,811.45

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Solution

The fourth proportional to 19,944.88, 29,884.51 and 15,811.45 is: 23,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.88 : 29,884.51 = 15,811.45 : x
  2. Step 2: Convert to fraction form
    19,944.88/29,884.51 = 15,811.45/x
  3. Step 3: Cross multiply
    19,944.88x = 29,884.51 × 15,811.45
  4. Step 4: Simplify right side
    19,944.88x = 472,517,435.64
  5. Step 5: Solve for x
    x = 472,517,435.64/19,944.88
  6. Step 6: Final answer
    x = 23,691.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.