Home / 22,571.28-31,163.76-14,076.72

Finding the Fourth Proportional to 22,571.28, 31,163.76 and 14,076.72

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Solution

The fourth proportional to 22,571.28, 31,163.76 and 14,076.72 is: 19,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.28 : 31,163.76 = 14,076.72 : x
  2. Step 2: Convert to fraction form
    22,571.28/31,163.76 = 14,076.72/x
  3. Step 3: Cross multiply
    22,571.28x = 31,163.76 × 14,076.72
  4. Step 4: Simplify right side
    22,571.28x = 438,683,523.67
  5. Step 5: Solve for x
    x = 438,683,523.67/22,571.28
  6. Step 6: Final answer
    x = 19,435.47

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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.