Home / 28,932.80-43,341.60-15,761.60

Finding the Fourth Proportional to 28,932.80, 43,341.60 and 15,761.60

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Solution

The fourth proportional to 28,932.80, 43,341.60 and 15,761.60 is: 23,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.80 : 43,341.60 = 15,761.60 : x
  2. Step 2: Convert to fraction form
    28,932.80/43,341.60 = 15,761.60/x
  3. Step 3: Cross multiply
    28,932.80x = 43,341.60 × 15,761.60
  4. Step 4: Simplify right side
    28,932.80x = 683,132,962.56
  5. Step 5: Solve for x
    x = 683,132,962.56/28,932.80
  6. Step 6: Final answer
    x = 23,611.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.