Home / 43,508.38-65,262.93-15,428.62

Finding the Fourth Proportional to 43,508.38, 65,262.93 and 15,428.62

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Solution

The fourth proportional to 43,508.38, 65,262.93 and 15,428.62 is: 23,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.38 : 65,262.93 = 15,428.62 : x
  2. Step 2: Convert to fraction form
    43,508.38/65,262.93 = 15,428.62/x
  3. Step 3: Cross multiply
    43,508.38x = 65,262.93 × 15,428.62
  4. Step 4: Simplify right side
    43,508.38x = 1,006,916,947.06
  5. Step 5: Solve for x
    x = 1,006,916,947.06/43,508.38
  6. Step 6: Final answer
    x = 23,143.06

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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.