Home / 57,316.64-85,970.88-15,195.78

Finding the Fourth Proportional to 57,316.64, 85,970.88 and 15,195.78

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Solution

The fourth proportional to 57,316.64, 85,970.88 and 15,195.78 is: 22,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,316.64 : 85,970.88 = 15,195.78 : x
  2. Step 2: Convert to fraction form
    57,316.64/85,970.88 = 15,195.78/x
  3. Step 3: Cross multiply
    57,316.64x = 85,970.88 × 15,195.78
  4. Step 4: Simplify right side
    57,316.64x = 1,306,394,578.89
  5. Step 5: Solve for x
    x = 1,306,394,578.89/57,316.64
  6. Step 6: Final answer
    x = 22,792.59

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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.