Home / 38,835.28-58,335.90-27,812.80

Finding the Fourth Proportional to 38,835.28, 58,335.90 and 27,812.80

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Solution

The fourth proportional to 38,835.28, 58,335.90 and 27,812.80 is: 41,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.28 : 58,335.90 = 27,812.80 : x
  2. Step 2: Convert to fraction form
    38,835.28/58,335.90 = 27,812.80/x
  3. Step 3: Cross multiply
    38,835.28x = 58,335.90 × 27,812.80
  4. Step 4: Simplify right side
    38,835.28x = 1,622,484,719.52
  5. Step 5: Solve for x
    x = 1,622,484,719.52/38,835.28
  6. Step 6: Final answer
    x = 41,778.63

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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.