Home / 27,162.72-37,484.62-15,831.36

Finding the Fourth Proportional to 27,162.72, 37,484.62 and 15,831.36

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Solution

The fourth proportional to 27,162.72, 37,484.62 and 15,831.36 is: 21,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162.72 : 37,484.62 = 15,831.36 : x
  2. Step 2: Convert to fraction form
    27,162.72/37,484.62 = 15,831.36/x
  3. Step 3: Cross multiply
    27,162.72x = 37,484.62 × 15,831.36
  4. Step 4: Simplify right side
    27,162.72x = 593,432,513.68
  5. Step 5: Solve for x
    x = 593,432,513.68/27,162.72
  6. Step 6: Final answer
    x = 21,847.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.