Home / 26,252.37-39,401.33-13,781.21

Finding the Fourth Proportional to 26,252.37, 39,401.33 and 13,781.21

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Solution

The fourth proportional to 26,252.37, 39,401.33 and 13,781.21 is: 20,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,252.37 : 39,401.33 = 13,781.21 : x
  2. Step 2: Convert to fraction form
    26,252.37/39,401.33 = 13,781.21/x
  3. Step 3: Cross multiply
    26,252.37x = 39,401.33 × 13,781.21
  4. Step 4: Simplify right side
    26,252.37x = 542,997,737.10
  5. Step 5: Solve for x
    x = 542,997,737.10/26,252.37
  6. Step 6: Final answer
    x = 20,683.76

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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.