Home / 27,231.36-40,831.72-9,453.72

Finding the Fourth Proportional to 27,231.36, 40,831.72 and 9,453.72

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Solution

The fourth proportional to 27,231.36, 40,831.72 and 9,453.72 is: 14,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.36 : 40,831.72 = 9,453.72 : x
  2. Step 2: Convert to fraction form
    27,231.36/40,831.72 = 9,453.72/x
  3. Step 3: Cross multiply
    27,231.36x = 40,831.72 × 9,453.72
  4. Step 4: Simplify right side
    27,231.36x = 386,011,648.00
  5. Step 5: Solve for x
    x = 386,011,648.00/27,231.36
  6. Step 6: Final answer
    x = 14,175.26

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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.