Home / 28,684.72-39,596.20-18,072.38

Finding the Fourth Proportional to 28,684.72, 39,596.20 and 18,072.38

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Solution

The fourth proportional to 28,684.72, 39,596.20 and 18,072.38 is: 24,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.72 : 39,596.20 = 18,072.38 : x
  2. Step 2: Convert to fraction form
    28,684.72/39,596.20 = 18,072.38/x
  3. Step 3: Cross multiply
    28,684.72x = 39,596.20 × 18,072.38
  4. Step 4: Simplify right side
    28,684.72x = 715,597,572.96
  5. Step 5: Solve for x
    x = 715,597,572.96/28,684.72
  6. Step 6: Final answer
    x = 24,947.00

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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.