Home / 27,155.66-37,474.72-15,831.86

Finding the Fourth Proportional to 27,155.66, 37,474.72 and 15,831.86

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Solution

The fourth proportional to 27,155.66, 37,474.72 and 15,831.86 is: 21,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.66 : 37,474.72 = 15,831.86 : x
  2. Step 2: Convert to fraction form
    27,155.66/37,474.72 = 15,831.86/x
  3. Step 3: Cross multiply
    27,155.66x = 37,474.72 × 15,831.86
  4. Step 4: Simplify right side
    27,155.66x = 593,294,293.63
  5. Step 5: Solve for x
    x = 593,294,293.63/27,155.66
  6. Step 6: Final answer
    x = 21,847.91

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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.