Home / 27,969.12-41,931.72-10,429.38

Finding the Fourth Proportional to 27,969.12, 41,931.72 and 10,429.38

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Solution

The fourth proportional to 27,969.12, 41,931.72 and 10,429.38 is: 15,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.12 : 41,931.72 = 10,429.38 : x
  2. Step 2: Convert to fraction form
    27,969.12/41,931.72 = 10,429.38/x
  3. Step 3: Cross multiply
    27,969.12x = 41,931.72 × 10,429.38
  4. Step 4: Simplify right side
    27,969.12x = 437,321,841.93
  5. Step 5: Solve for x
    x = 437,321,841.93/27,969.12
  6. Step 6: Final answer
    x = 15,635.88

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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.