Home / 19,209.38-28,827.03-7,521.14

Finding the Fourth Proportional to 19,209.38, 28,827.03 and 7,521.14

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Solution

The fourth proportional to 19,209.38, 28,827.03 and 7,521.14 is: 11,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.38 : 28,827.03 = 7,521.14 : x
  2. Step 2: Convert to fraction form
    19,209.38/28,827.03 = 7,521.14/x
  3. Step 3: Cross multiply
    19,209.38x = 28,827.03 × 7,521.14
  4. Step 4: Simplify right side
    19,209.38x = 216,812,128.41
  5. Step 5: Solve for x
    x = 216,812,128.41/19,209.38
  6. Step 6: Final answer
    x = 11,286.78

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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.