Home / 28,130.49-38,821.41-17,523.54

Finding the Fourth Proportional to 28,130.49, 38,821.41 and 17,523.54

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Solution

The fourth proportional to 28,130.49, 38,821.41 and 17,523.54 is: 24,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,130.49 : 38,821.41 = 17,523.54 : x
  2. Step 2: Convert to fraction form
    28,130.49/38,821.41 = 17,523.54/x
  3. Step 3: Cross multiply
    28,130.49x = 38,821.41 × 17,523.54
  4. Step 4: Simplify right side
    28,130.49x = 680,288,530.99
  5. Step 5: Solve for x
    x = 680,288,530.99/28,130.49
  6. Step 6: Final answer
    x = 24,183.32

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1.5x scale

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.