Home / 26,973.62-40,389.54-21,680.54

Finding the Fourth Proportional to 26,973.62, 40,389.54 and 21,680.54

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Solution

The fourth proportional to 26,973.62, 40,389.54 and 21,680.54 is: 32,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,973.62 : 40,389.54 = 21,680.54 : x
  2. Step 2: Convert to fraction form
    26,973.62/40,389.54 = 21,680.54/x
  3. Step 3: Cross multiply
    26,973.62x = 40,389.54 × 21,680.54
  4. Step 4: Simplify right side
    26,973.62x = 875,667,037.55
  5. Step 5: Solve for x
    x = 875,667,037.55/26,973.62
  6. Step 6: Final answer
    x = 32,463.83

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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.