Home / 28,743.62-39,666.51-16,168.37

Finding the Fourth Proportional to 28,743.62, 39,666.51 and 16,168.37

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Solution

The fourth proportional to 28,743.62, 39,666.51 and 16,168.37 is: 22,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.62 : 39,666.51 = 16,168.37 : x
  2. Step 2: Convert to fraction form
    28,743.62/39,666.51 = 16,168.37/x
  3. Step 3: Cross multiply
    28,743.62x = 39,666.51 × 16,168.37
  4. Step 4: Simplify right side
    28,743.62x = 641,342,611.96
  5. Step 5: Solve for x
    x = 641,342,611.96/28,743.62
  6. Step 6: Final answer
    x = 22,312.52

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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.