Home / 28,644.60-39,543.66-18,050.52

Finding the Fourth Proportional to 28,644.60, 39,543.66 and 18,050.52

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Solution

The fourth proportional to 28,644.60, 39,543.66 and 18,050.52 is: 24,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.60 : 39,543.66 = 18,050.52 : x
  2. Step 2: Convert to fraction form
    28,644.60/39,543.66 = 18,050.52/x
  3. Step 3: Cross multiply
    28,644.60x = 39,543.66 × 18,050.52
  4. Step 4: Simplify right side
    28,644.60x = 713,783,625.70
  5. Step 5: Solve for x
    x = 713,783,625.70/28,644.60
  6. Step 6: Final answer
    x = 24,918.61

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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.