Home / 26,211.18-39,323.28-8,682.78

Finding the Fourth Proportional to 26,211.18, 39,323.28 and 8,682.78

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Solution

The fourth proportional to 26,211.18, 39,323.28 and 8,682.78 is: 13,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.18 : 39,323.28 = 8,682.78 : x
  2. Step 2: Convert to fraction form
    26,211.18/39,323.28 = 8,682.78/x
  3. Step 3: Cross multiply
    26,211.18x = 39,323.28 × 8,682.78
  4. Step 4: Simplify right side
    26,211.18x = 341,435,389.12
  5. Step 5: Solve for x
    x = 341,435,389.12/26,211.18
  6. Step 6: Final answer
    x = 13,026.33

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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.