Home / 20,537.28-30,803.49-5,744.79

Finding the Fourth Proportional to 20,537.28, 30,803.49 and 5,744.79

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Solution

The fourth proportional to 20,537.28, 30,803.49 and 5,744.79 is: 8,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.28 : 30,803.49 = 5,744.79 : x
  2. Step 2: Convert to fraction form
    20,537.28/30,803.49 = 5,744.79/x
  3. Step 3: Cross multiply
    20,537.28x = 30,803.49 × 5,744.79
  4. Step 4: Simplify right side
    20,537.28x = 176,959,581.32
  5. Step 5: Solve for x
    x = 176,959,581.32/20,537.28
  6. Step 6: Final answer
    x = 8,616.51

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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.