Home / 26,060.24-39,103.32-20,800.64

Finding the Fourth Proportional to 26,060.24, 39,103.32 and 20,800.64

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Solution

The fourth proportional to 26,060.24, 39,103.32 and 20,800.64 is: 31,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,060.24 : 39,103.32 = 20,800.64 : x
  2. Step 2: Convert to fraction form
    26,060.24/39,103.32 = 20,800.64/x
  3. Step 3: Cross multiply
    26,060.24x = 39,103.32 × 20,800.64
  4. Step 4: Simplify right side
    26,060.24x = 813,374,082.12
  5. Step 5: Solve for x
    x = 813,374,082.12/26,060.24
  6. Step 6: Final answer
    x = 31,211.30

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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.