Home / 28,585.44-42,682.68-25,604.64

Finding the Fourth Proportional to 28,585.44, 42,682.68 and 25,604.64

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Solution

The fourth proportional to 28,585.44, 42,682.68 and 25,604.64 is: 38,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585.44 : 42,682.68 = 25,604.64 : x
  2. Step 2: Convert to fraction form
    28,585.44/42,682.68 = 25,604.64/x
  3. Step 3: Cross multiply
    28,585.44x = 42,682.68 × 25,604.64
  4. Step 4: Simplify right side
    28,585.44x = 1,092,874,655.64
  5. Step 5: Solve for x
    x = 1,092,874,655.64/28,585.44
  6. Step 6: Final answer
    x = 38,231.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.