Home / 23,160.92-31,945.19-14,664.42

Finding the Fourth Proportional to 23,160.92, 31,945.19 and 14,664.42

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Solution

The fourth proportional to 23,160.92, 31,945.19 and 14,664.42 is: 20,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.92 : 31,945.19 = 14,664.42 : x
  2. Step 2: Convert to fraction form
    23,160.92/31,945.19 = 14,664.42/x
  3. Step 3: Cross multiply
    23,160.92x = 31,945.19 × 14,664.42
  4. Step 4: Simplify right side
    23,160.92x = 468,457,609.82
  5. Step 5: Solve for x
    x = 468,457,609.82/23,160.92
  6. Step 6: Final answer
    x = 20,226.21

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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.