Home / 27,639.60-41,475.60-10,111.20

Finding the Fourth Proportional to 27,639.60, 41,475.60 and 10,111.20

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Solution

The fourth proportional to 27,639.60, 41,475.60 and 10,111.20 is: 15,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.60 : 41,475.60 = 10,111.20 : x
  2. Step 2: Convert to fraction form
    27,639.60/41,475.60 = 10,111.20/x
  3. Step 3: Cross multiply
    27,639.60x = 41,475.60 × 10,111.20
  4. Step 4: Simplify right side
    27,639.60x = 419,368,086.72
  5. Step 5: Solve for x
    x = 419,368,086.72/27,639.60
  6. Step 6: Final answer
    x = 15,172.73

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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.