Home / 28,914.98-43,372.78-10,191.53

Finding the Fourth Proportional to 28,914.98, 43,372.78 and 10,191.53

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Solution

The fourth proportional to 28,914.98, 43,372.78 and 10,191.53 is: 15,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.98 : 43,372.78 = 10,191.53 : x
  2. Step 2: Convert to fraction form
    28,914.98/43,372.78 = 10,191.53/x
  3. Step 3: Cross multiply
    28,914.98x = 43,372.78 × 10,191.53
  4. Step 4: Simplify right side
    28,914.98x = 442,034,827.53
  5. Step 5: Solve for x
    x = 442,034,827.53/28,914.98
  6. Step 6: Final answer
    x = 15,287.40

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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.