Home / 38,947.68-58,379.79-27,820.62

Finding the Fourth Proportional to 38,947.68, 58,379.79 and 27,820.62

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Solution

The fourth proportional to 38,947.68, 58,379.79 and 27,820.62 is: 41,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.68 : 58,379.79 = 27,820.62 : x
  2. Step 2: Convert to fraction form
    38,947.68/58,379.79 = 27,820.62/x
  3. Step 3: Cross multiply
    38,947.68x = 58,379.79 × 27,820.62
  4. Step 4: Simplify right side
    38,947.68x = 1,624,161,953.27
  5. Step 5: Solve for x
    x = 1,624,161,953.27/38,947.68
  6. Step 6: Final answer
    x = 41,701.12

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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.