Home / 27,999.20-41,998.80-22,750.40

Finding the Fourth Proportional to 27,999.20, 41,998.80 and 22,750.40

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Solution

The fourth proportional to 27,999.20, 41,998.80 and 22,750.40 is: 34,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.20 : 41,998.80 = 22,750.40 : x
  2. Step 2: Convert to fraction form
    27,999.20/41,998.80 = 22,750.40/x
  3. Step 3: Cross multiply
    27,999.20x = 41,998.80 × 22,750.40
  4. Step 4: Simplify right side
    27,999.20x = 955,489,499.52
  5. Step 5: Solve for x
    x = 955,489,499.52/27,999.20
  6. Step 6: Final answer
    x = 34,125.60

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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.