Home / 27,132.87-40,693.80-7,409.79

Finding the Fourth Proportional to 27,132.87, 40,693.80 and 7,409.79

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Solution

The fourth proportional to 27,132.87, 40,693.80 and 7,409.79 is: 11,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.87 : 40,693.80 = 7,409.79 : x
  2. Step 2: Convert to fraction form
    27,132.87/40,693.80 = 7,409.79/x
  3. Step 3: Cross multiply
    27,132.87x = 40,693.80 × 7,409.79
  4. Step 4: Simplify right side
    27,132.87x = 301,532,512.30
  5. Step 5: Solve for x
    x = 301,532,512.30/27,132.87
  6. Step 6: Final answer
    x = 11,113.18

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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.