Home / 18,537.75-25,573.20-17,821.64

Finding the Fourth Proportional to 18,537.75, 25,573.20 and 17,821.64

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Solution

The fourth proportional to 18,537.75, 25,573.20 and 17,821.64 is: 24,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.75 : 25,573.20 = 17,821.64 : x
  2. Step 2: Convert to fraction form
    18,537.75/25,573.20 = 17,821.64/x
  3. Step 3: Cross multiply
    18,537.75x = 25,573.20 × 17,821.64
  4. Step 4: Simplify right side
    18,537.75x = 455,756,236.18
  5. Step 5: Solve for x
    x = 455,756,236.18/18,537.75
  6. Step 6: Final answer
    x = 24,585.30

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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.