Home / 28,872.04-43,304.70-7,811.08

Finding the Fourth Proportional to 28,872.04, 43,304.70 and 7,811.08

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Solution

The fourth proportional to 28,872.04, 43,304.70 and 7,811.08 is: 11,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.04 : 43,304.70 = 7,811.08 : x
  2. Step 2: Convert to fraction form
    28,872.04/43,304.70 = 7,811.08/x
  3. Step 3: Cross multiply
    28,872.04x = 43,304.70 × 7,811.08
  4. Step 4: Simplify right side
    28,872.04x = 338,256,476.08
  5. Step 5: Solve for x
    x = 338,256,476.08/28,872.04
  6. Step 6: Final answer
    x = 11,715.71

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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.