Home / 28,954.39-39,956.68-16,379.14

Finding the Fourth Proportional to 28,954.39, 39,956.68 and 16,379.14

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Solution

The fourth proportional to 28,954.39, 39,956.68 and 16,379.14 is: 22,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.39 : 39,956.68 = 16,379.14 : x
  2. Step 2: Convert to fraction form
    28,954.39/39,956.68 = 16,379.14/x
  3. Step 3: Cross multiply
    28,954.39x = 39,956.68 × 16,379.14
  4. Step 4: Simplify right side
    28,954.39x = 654,456,055.66
  5. Step 5: Solve for x
    x = 654,456,055.66/28,954.39
  6. Step 6: Final answer
    x = 22,603.00

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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.