Home / 22,576.43-31,151.81-13,505.54

Finding the Fourth Proportional to 22,576.43, 31,151.81 and 13,505.54

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Solution

The fourth proportional to 22,576.43, 31,151.81 and 13,505.54 is: 18,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,576.43 : 31,151.81 = 13,505.54 : x
  2. Step 2: Convert to fraction form
    22,576.43/31,151.81 = 13,505.54/x
  3. Step 3: Cross multiply
    22,576.43x = 31,151.81 × 13,505.54
  4. Step 4: Simplify right side
    22,576.43x = 420,721,792.74
  5. Step 5: Solve for x
    x = 420,721,792.74/22,576.43
  6. Step 6: Final answer
    x = 18,635.45

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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.