Home / 26,769.53-36,940.96-15,439.50

Finding the Fourth Proportional to 26,769.53, 36,940.96 and 15,439.50

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Solution

The fourth proportional to 26,769.53, 36,940.96 and 15,439.50 is: 21,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.53 : 36,940.96 = 15,439.50 : x
  2. Step 2: Convert to fraction form
    26,769.53/36,940.96 = 15,439.50/x
  3. Step 3: Cross multiply
    26,769.53x = 36,940.96 × 15,439.50
  4. Step 4: Simplify right side
    26,769.53x = 570,349,874.72
  5. Step 5: Solve for x
    x = 570,349,874.72/26,769.53
  6. Step 6: Final answer
    x = 21,305.94

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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.