Home / 27,278.46-40,879.22-21,707.01

Finding the Fourth Proportional to 27,278.46, 40,879.22 and 21,707.01

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Solution

The fourth proportional to 27,278.46, 40,879.22 and 21,707.01 is: 32,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.46 : 40,879.22 = 21,707.01 : x
  2. Step 2: Convert to fraction form
    27,278.46/40,879.22 = 21,707.01/x
  3. Step 3: Cross multiply
    27,278.46x = 40,879.22 × 21,707.01
  4. Step 4: Simplify right side
    27,278.46x = 887,365,528.80
  5. Step 5: Solve for x
    x = 887,365,528.80/27,278.46
  6. Step 6: Final answer
    x = 32,529.90

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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.