Home / 57,772.49-86,629.57-28,145.93

Finding the Fourth Proportional to 57,772.49, 86,629.57 and 28,145.93

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Solution

The fourth proportional to 57,772.49, 86,629.57 and 28,145.93 is: 42,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.49 : 86,629.57 = 28,145.93 : x
  2. Step 2: Convert to fraction form
    57,772.49/86,629.57 = 28,145.93/x
  3. Step 3: Cross multiply
    57,772.49x = 86,629.57 × 28,145.93
  4. Step 4: Simplify right side
    57,772.49x = 2,438,269,309.64
  5. Step 5: Solve for x
    x = 2,438,269,309.64/57,772.49
  6. Step 6: Final answer
    x = 42,204.68

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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.