Home / 26,153.28-39,229.92-17,405.28

Finding the Fourth Proportional to 26,153.28, 39,229.92 and 17,405.28

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Solution

The fourth proportional to 26,153.28, 39,229.92 and 17,405.28 is: 26,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,153.28 : 39,229.92 = 17,405.28 : x
  2. Step 2: Convert to fraction form
    26,153.28/39,229.92 = 17,405.28/x
  3. Step 3: Cross multiply
    26,153.28x = 39,229.92 × 17,405.28
  4. Step 4: Simplify right side
    26,153.28x = 682,807,741.98
  5. Step 5: Solve for x
    x = 682,807,741.98/26,153.28
  6. Step 6: Final answer
    x = 26,107.92

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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.