Home / 57,640.35-86,476.73-28,059.15

Finding the Fourth Proportional to 57,640.35, 86,476.73 and 28,059.15

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Solution

The fourth proportional to 57,640.35, 86,476.73 and 28,059.15 is: 42,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,640.35 : 86,476.73 = 28,059.15 : x
  2. Step 2: Convert to fraction form
    57,640.35/86,476.73 = 28,059.15/x
  3. Step 3: Cross multiply
    57,640.35x = 86,476.73 × 28,059.15
  4. Step 4: Simplify right side
    57,640.35x = 2,426,463,398.28
  5. Step 5: Solve for x
    x = 2,426,463,398.28/57,640.35
  6. Step 6: Final answer
    x = 42,096.61

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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.