Home / 26,146.80-39,226.68-9,515.88

Finding the Fourth Proportional to 26,146.80, 39,226.68 and 9,515.88

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Solution

The fourth proportional to 26,146.80, 39,226.68 and 9,515.88 is: 14,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.80 : 39,226.68 = 9,515.88 : x
  2. Step 2: Convert to fraction form
    26,146.80/39,226.68 = 9,515.88/x
  3. Step 3: Cross multiply
    26,146.80x = 39,226.68 × 9,515.88
  4. Step 4: Simplify right side
    26,146.80x = 373,276,379.68
  5. Step 5: Solve for x
    x = 373,276,379.68/26,146.80
  6. Step 6: Final answer
    x = 14,276.18

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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.