Home / 26,769.28-36,940.61-15,439.24

Finding the Fourth Proportional to 26,769.28, 36,940.61 and 15,439.24

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Solution

The fourth proportional to 26,769.28, 36,940.61 and 15,439.24 is: 21,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.28 : 36,940.61 = 15,439.24 : x
  2. Step 2: Convert to fraction form
    26,769.28/36,940.61 = 15,439.24/x
  3. Step 3: Cross multiply
    26,769.28x = 36,940.61 × 15,439.24
  4. Step 4: Simplify right side
    26,769.28x = 570,334,943.54
  5. Step 5: Solve for x
    x = 570,334,943.54/26,769.28
  6. Step 6: Final answer
    x = 21,305.58

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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.