Home / 26,780.85-40,171.07-8,060.81

Finding the Fourth Proportional to 26,780.85, 40,171.07 and 8,060.81

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Solution

The fourth proportional to 26,780.85, 40,171.07 and 8,060.81 is: 12,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.85 : 40,171.07 = 8,060.81 : x
  2. Step 2: Convert to fraction form
    26,780.85/40,171.07 = 8,060.81/x
  3. Step 3: Cross multiply
    26,780.85x = 40,171.07 × 8,060.81
  4. Step 4: Simplify right side
    26,780.85x = 323,811,182.06
  5. Step 5: Solve for x
    x = 323,811,182.06/26,780.85
  6. Step 6: Final answer
    x = 12,091.15

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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.