Home / 27,972.05-41,958.64-10,438.38

Finding the Fourth Proportional to 27,972.05, 41,958.64 and 10,438.38

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Solution

The fourth proportional to 27,972.05, 41,958.64 and 10,438.38 is: 15,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.05 : 41,958.64 = 10,438.38 : x
  2. Step 2: Convert to fraction form
    27,972.05/41,958.64 = 10,438.38/x
  3. Step 3: Cross multiply
    27,972.05x = 41,958.64 × 10,438.38
  4. Step 4: Simplify right side
    27,972.05x = 437,980,176.41
  5. Step 5: Solve for x
    x = 437,980,176.41/27,972.05
  6. Step 6: Final answer
    x = 15,657.78

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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.