Home / 28,955.14-39,958.24-16,379.62

Finding the Fourth Proportional to 28,955.14, 39,958.24 and 16,379.62

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Solution

The fourth proportional to 28,955.14, 39,958.24 and 16,379.62 is: 22,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.14 : 39,958.24 = 16,379.62 : x
  2. Step 2: Convert to fraction form
    28,955.14/39,958.24 = 16,379.62/x
  3. Step 3: Cross multiply
    28,955.14x = 39,958.24 × 16,379.62
  4. Step 4: Simplify right side
    28,955.14x = 654,500,787.07
  5. Step 5: Solve for x
    x = 654,500,787.07/28,955.14
  6. Step 6: Final answer
    x = 22,603.96

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1.5x scale

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.