Home / 26,405.35-39,583.20-8,862.88

Finding the Fourth Proportional to 26,405.35, 39,583.20 and 8,862.88

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Solution

The fourth proportional to 26,405.35, 39,583.20 and 8,862.88 is: 13,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.35 : 39,583.20 = 8,862.88 : x
  2. Step 2: Convert to fraction form
    26,405.35/39,583.20 = 8,862.88/x
  3. Step 3: Cross multiply
    26,405.35x = 39,583.20 × 8,862.88
  4. Step 4: Simplify right side
    26,405.35x = 350,821,151.62
  5. Step 5: Solve for x
    x = 350,821,151.62/26,405.35
  6. Step 6: Final answer
    x = 13,285.99

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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.