Home / 35,418.87-53,140.62-15,711.27

Finding the Fourth Proportional to 35,418.87, 53,140.62 and 15,711.27

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Solution

The fourth proportional to 35,418.87, 53,140.62 and 15,711.27 is: 23,572.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.87 : 53,140.62 = 15,711.27 : x
  2. Step 2: Convert to fraction form
    35,418.87/53,140.62 = 15,711.27/x
  3. Step 3: Cross multiply
    35,418.87x = 53,140.62 × 15,711.27
  4. Step 4: Simplify right side
    35,418.87x = 834,906,628.79
  5. Step 5: Solve for x
    x = 834,906,628.79/35,418.87
  6. Step 6: Final answer
    x = 23,572.37

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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.