Home / 26,638.30-39,945.83-14,155.32

Finding the Fourth Proportional to 26,638.30, 39,945.83 and 14,155.32

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Solution

The fourth proportional to 26,638.30, 39,945.83 and 14,155.32 is: 21,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.30 : 39,945.83 = 14,155.32 : x
  2. Step 2: Convert to fraction form
    26,638.30/39,945.83 = 14,155.32/x
  3. Step 3: Cross multiply
    26,638.30x = 39,945.83 × 14,155.32
  4. Step 4: Simplify right side
    26,638.30x = 565,446,085.34
  5. Step 5: Solve for x
    x = 565,446,085.34/26,638.30
  6. Step 6: Final answer
    x = 21,226.81

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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.