Home / 27,111.60-40,660.74-7,390.26

Finding the Fourth Proportional to 27,111.60, 40,660.74 and 7,390.26

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Solution

The fourth proportional to 27,111.60, 40,660.74 and 7,390.26 is: 11,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.60 : 40,660.74 = 7,390.26 : x
  2. Step 2: Convert to fraction form
    27,111.60/40,660.74 = 7,390.26/x
  3. Step 3: Cross multiply
    27,111.60x = 40,660.74 × 7,390.26
  4. Step 4: Simplify right side
    27,111.60x = 300,493,440.39
  5. Step 5: Solve for x
    x = 300,493,440.39/27,111.60
  6. Step 6: Final answer
    x = 11,083.57

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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.