Home / 38,922.75-58,397.91-19,215.15

Finding the Fourth Proportional to 38,922.75, 58,397.91 and 19,215.15

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Solution

The fourth proportional to 38,922.75, 58,397.91 and 19,215.15 is: 28,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922.75 : 58,397.91 = 19,215.15 : x
  2. Step 2: Convert to fraction form
    38,922.75/58,397.91 = 19,215.15/x
  3. Step 3: Cross multiply
    38,922.75x = 58,397.91 × 19,215.15
  4. Step 4: Simplify right side
    38,922.75x = 1,122,124,600.34
  5. Step 5: Solve for x
    x = 1,122,124,600.34/38,922.75
  6. Step 6: Final answer
    x = 28,829.53

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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.