Home / 26,922.31-40,391.73-13,783.91

Finding the Fourth Proportional to 26,922.31, 40,391.73 and 13,783.91

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Solution

The fourth proportional to 26,922.31, 40,391.73 and 13,783.91 is: 20,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.31 : 40,391.73 = 13,783.91 : x
  2. Step 2: Convert to fraction form
    26,922.31/40,391.73 = 13,783.91/x
  3. Step 3: Cross multiply
    26,922.31x = 40,391.73 × 13,783.91
  4. Step 4: Simplify right side
    26,922.31x = 556,755,769.11
  5. Step 5: Solve for x
    x = 556,755,769.11/26,922.31
  6. Step 6: Final answer
    x = 20,680.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.