Home / 38,438.63-57,615.83-15,039.35

Finding the Fourth Proportional to 38,438.63, 57,615.83 and 15,039.35

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Solution

The fourth proportional to 38,438.63, 57,615.83 and 15,039.35 is: 22,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438.63 : 57,615.83 = 15,039.35 : x
  2. Step 2: Convert to fraction form
    38,438.63/57,615.83 = 15,039.35/x
  3. Step 3: Cross multiply
    38,438.63x = 57,615.83 × 15,039.35
  4. Step 4: Simplify right side
    38,438.63x = 866,504,557.71
  5. Step 5: Solve for x
    x = 866,504,557.71/38,438.63
  6. Step 6: Final answer
    x = 22,542.55

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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.