Home / 28,230.35-38,942.01-18,160.02

Finding the Fourth Proportional to 28,230.35, 38,942.01 and 18,160.02

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Solution

The fourth proportional to 28,230.35, 38,942.01 and 18,160.02 is: 25,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.35 : 38,942.01 = 18,160.02 : x
  2. Step 2: Convert to fraction form
    28,230.35/38,942.01 = 18,160.02/x
  3. Step 3: Cross multiply
    28,230.35x = 38,942.01 × 18,160.02
  4. Step 4: Simplify right side
    28,230.35x = 707,187,680.44
  5. Step 5: Solve for x
    x = 707,187,680.44/28,230.35
  6. Step 6: Final answer
    x = 25,050.62

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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.