Home / 26,861.76-40,287.06-10,215.96

Finding the Fourth Proportional to 26,861.76, 40,287.06 and 10,215.96

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Solution

The fourth proportional to 26,861.76, 40,287.06 and 10,215.96 is: 15,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.76 : 40,287.06 = 10,215.96 : x
  2. Step 2: Convert to fraction form
    26,861.76/40,287.06 = 10,215.96/x
  3. Step 3: Cross multiply
    26,861.76x = 40,287.06 × 10,215.96
  4. Step 4: Simplify right side
    26,861.76x = 411,570,993.48
  5. Step 5: Solve for x
    x = 411,570,993.48/26,861.76
  6. Step 6: Final answer
    x = 15,321.82

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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.