Home / 27,365.80-40,998.30-15,644.20

Finding the Fourth Proportional to 27,365.80, 40,998.30 and 15,644.20

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Solution

The fourth proportional to 27,365.80, 40,998.30 and 15,644.20 is: 23,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.80 : 40,998.30 = 15,644.20 : x
  2. Step 2: Convert to fraction form
    27,365.80/40,998.30 = 15,644.20/x
  3. Step 3: Cross multiply
    27,365.80x = 40,998.30 × 15,644.20
  4. Step 4: Simplify right side
    27,365.80x = 641,385,604.86
  5. Step 5: Solve for x
    x = 641,385,604.86/27,365.80
  6. Step 6: Final answer
    x = 23,437.49

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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.