Home / 38,570.22-57,815.78-18,824.45

Finding the Fourth Proportional to 38,570.22, 57,815.78 and 18,824.45

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Solution

The fourth proportional to 38,570.22, 57,815.78 and 18,824.45 is: 28,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.22 : 57,815.78 = 18,824.45 : x
  2. Step 2: Convert to fraction form
    38,570.22/57,815.78 = 18,824.45/x
  3. Step 3: Cross multiply
    38,570.22x = 57,815.78 × 18,824.45
  4. Step 4: Simplify right side
    38,570.22x = 1,088,349,876.62
  5. Step 5: Solve for x
    x = 1,088,349,876.62/38,570.22
  6. Step 6: Final answer
    x = 28,217.36

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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.