Home / 26,698.92-36,861.60-17,142.90

Finding the Fourth Proportional to 26,698.92, 36,861.60 and 17,142.90

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Solution

The fourth proportional to 26,698.92, 36,861.60 and 17,142.90 is: 23,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,698.92 : 36,861.60 = 17,142.90 : x
  2. Step 2: Convert to fraction form
    26,698.92/36,861.60 = 17,142.90/x
  3. Step 3: Cross multiply
    26,698.92x = 36,861.60 × 17,142.90
  4. Step 4: Simplify right side
    26,698.92x = 631,914,722.64
  5. Step 5: Solve for x
    x = 631,914,722.64/26,698.92
  6. Step 6: Final answer
    x = 23,668.18

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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.