Home / 26,290.56-39,421.08-8,755.68

Finding the Fourth Proportional to 26,290.56, 39,421.08 and 8,755.68

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Solution

The fourth proportional to 26,290.56, 39,421.08 and 8,755.68 is: 13,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.56 : 39,421.08 = 8,755.68 : x
  2. Step 2: Convert to fraction form
    26,290.56/39,421.08 = 8,755.68/x
  3. Step 3: Cross multiply
    26,290.56x = 39,421.08 × 8,755.68
  4. Step 4: Simplify right side
    26,290.56x = 345,158,361.73
  5. Step 5: Solve for x
    x = 345,158,361.73/26,290.56
  6. Step 6: Final answer
    x = 13,128.60

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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.