Home / 28,696.81-43,052.16-9,974.14

Finding the Fourth Proportional to 28,696.81, 43,052.16 and 9,974.14

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Solution

The fourth proportional to 28,696.81, 43,052.16 and 9,974.14 is: 14,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.81 : 43,052.16 = 9,974.14 : x
  2. Step 2: Convert to fraction form
    28,696.81/43,052.16 = 9,974.14/x
  3. Step 3: Cross multiply
    28,696.81x = 43,052.16 × 9,974.14
  4. Step 4: Simplify right side
    28,696.81x = 429,408,271.14
  5. Step 5: Solve for x
    x = 429,408,271.14/28,696.81
  6. Step 6: Final answer
    x = 14,963.62

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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.