Home / 38,404.81-57,615.06-21,772.27

Finding the Fourth Proportional to 38,404.81, 57,615.06 and 21,772.27

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Solution

The fourth proportional to 38,404.81, 57,615.06 and 21,772.27 is: 32,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.81 : 57,615.06 = 21,772.27 : x
  2. Step 2: Convert to fraction form
    38,404.81/57,615.06 = 21,772.27/x
  3. Step 3: Cross multiply
    38,404.81x = 57,615.06 × 21,772.27
  4. Step 4: Simplify right side
    38,404.81x = 1,254,410,642.39
  5. Step 5: Solve for x
    x = 1,254,410,642.39/38,404.81
  6. Step 6: Final answer
    x = 32,662.85

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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.