Home / 41,399.36-57,197.92-28,880

Finding the Fourth Proportional to 41,399.36, 57,197.92 and 28,880

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Solution

The fourth proportional to 41,399.36, 57,197.92 and 28,880 is: 39,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,399.36 : 57,197.92 = 28,880 : x
  2. Step 2: Convert to fraction form
    41,399.36/57,197.92 = 28,880/x
  3. Step 3: Cross multiply
    41,399.36x = 57,197.92 × 28,880
  4. Step 4: Simplify right side
    41,399.36x = 1,651,875,929.60
  5. Step 5: Solve for x
    x = 1,651,875,929.60/41,399.36
  6. Step 6: Final answer
    x = 39,901.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.