Home / 27,958.04-41,944.32-10,428

Finding the Fourth Proportional to 27,958.04, 41,944.32 and 10,428

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Solution

The fourth proportional to 27,958.04, 41,944.32 and 10,428 is: 15,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.04 : 41,944.32 = 10,428 : x
  2. Step 2: Convert to fraction form
    27,958.04/41,944.32 = 10,428/x
  3. Step 3: Cross multiply
    27,958.04x = 41,944.32 × 10,428
  4. Step 4: Simplify right side
    27,958.04x = 437,395,368.96
  5. Step 5: Solve for x
    x = 437,395,368.96/27,958.04
  6. Step 6: Final answer
    x = 15,644.71

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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.