Home / 26,260.18-39,372.85-13,765.12

Finding the Fourth Proportional to 26,260.18, 39,372.85 and 13,765.12

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Solution

The fourth proportional to 26,260.18, 39,372.85 and 13,765.12 is: 20,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,260.18 : 39,372.85 = 13,765.12 : x
  2. Step 2: Convert to fraction form
    26,260.18/39,372.85 = 13,765.12/x
  3. Step 3: Cross multiply
    26,260.18x = 39,372.85 × 13,765.12
  4. Step 4: Simplify right side
    26,260.18x = 541,972,004.99
  5. Step 5: Solve for x
    x = 541,972,004.99/26,260.18
  6. Step 6: Final answer
    x = 20,638.55

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1.5x scale

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.