Home / 28,938.13-43,396.18-10,214.68

Finding the Fourth Proportional to 28,938.13, 43,396.18 and 10,214.68

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Solution

The fourth proportional to 28,938.13, 43,396.18 and 10,214.68 is: 15,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.13 : 43,396.18 = 10,214.68 : x
  2. Step 2: Convert to fraction form
    28,938.13/43,396.18 = 10,214.68/x
  3. Step 3: Cross multiply
    28,938.13x = 43,396.18 × 10,214.68
  4. Step 4: Simplify right side
    28,938.13x = 443,278,091.92
  5. Step 5: Solve for x
    x = 443,278,091.92/28,938.13
  6. Step 6: Final answer
    x = 15,318.13

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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.