Home / 26,780.60-40,170.69-8,060.56

Finding the Fourth Proportional to 26,780.60, 40,170.69 and 8,060.56

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Solution

The fourth proportional to 26,780.60, 40,170.69 and 8,060.56 is: 12,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.60 : 40,170.69 = 8,060.56 : x
  2. Step 2: Convert to fraction form
    26,780.60/40,170.69 = 8,060.56/x
  3. Step 3: Cross multiply
    26,780.60x = 40,170.69 × 8,060.56
  4. Step 4: Simplify right side
    26,780.60x = 323,798,056.13
  5. Step 5: Solve for x
    x = 323,798,056.13/26,780.60
  6. Step 6: Final answer
    x = 12,090.77

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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.