Home / 20,493.41-30,678.14-14,572.71

Finding the Fourth Proportional to 20,493.41, 30,678.14 and 14,572.71

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Solution

The fourth proportional to 20,493.41, 30,678.14 and 14,572.71 is: 21,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493.41 : 30,678.14 = 14,572.71 : x
  2. Step 2: Convert to fraction form
    20,493.41/30,678.14 = 14,572.71/x
  3. Step 3: Cross multiply
    20,493.41x = 30,678.14 × 14,572.71
  4. Step 4: Simplify right side
    20,493.41x = 447,063,673.99
  5. Step 5: Solve for x
    x = 447,063,673.99/20,493.41
  6. Step 6: Final answer
    x = 21,815.00

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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.