Home / 57,407.22-86,114.48-15,286.62

Finding the Fourth Proportional to 57,407.22, 86,114.48 and 15,286.62

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Solution

The fourth proportional to 57,407.22, 86,114.48 and 15,286.62 is: 22,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.22 : 86,114.48 = 15,286.62 : x
  2. Step 2: Convert to fraction form
    57,407.22/86,114.48 = 15,286.62/x
  3. Step 3: Cross multiply
    57,407.22x = 86,114.48 × 15,286.62
  4. Step 4: Simplify right side
    57,407.22x = 1,316,399,332.26
  5. Step 5: Solve for x
    x = 1,316,399,332.26/57,407.22
  6. Step 6: Final answer
    x = 22,930.90

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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.