Home / 72,397.45-108,566.07-27,998.61

Finding the Fourth Proportional to 72,397.45, 108,566.07 and 27,998.61

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Solution

The fourth proportional to 72,397.45, 108,566.07 and 27,998.61 is: 41,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,397.45 : 108,566.07 = 27,998.61 : x
  2. Step 2: Convert to fraction form
    72,397.45/108,566.07 = 27,998.61/x
  3. Step 3: Cross multiply
    72,397.45x = 108,566.07 × 27,998.61
  4. Step 4: Simplify right side
    72,397.45x = 3,039,699,053.16
  5. Step 5: Solve for x
    x = 3,039,699,053.16/72,397.45
  6. Step 6: Final answer
    x = 41,986.27

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1.5x scale

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.