Home / 26,459.82-36,505.17-15,121.05

Finding the Fourth Proportional to 26,459.82, 36,505.17 and 15,121.05

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Solution

The fourth proportional to 26,459.82, 36,505.17 and 15,121.05 is: 20,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.82 : 36,505.17 = 15,121.05 : x
  2. Step 2: Convert to fraction form
    26,459.82/36,505.17 = 15,121.05/x
  3. Step 3: Cross multiply
    26,459.82x = 36,505.17 × 15,121.05
  4. Step 4: Simplify right side
    26,459.82x = 551,996,500.83
  5. Step 5: Solve for x
    x = 551,996,500.83/26,459.82
  6. Step 6: Final answer
    x = 20,861.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.