Home / 28,815.62-39,749.66-18,076.24

Finding the Fourth Proportional to 28,815.62, 39,749.66 and 18,076.24

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Solution

The fourth proportional to 28,815.62, 39,749.66 and 18,076.24 is: 24,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.62 : 39,749.66 = 18,076.24 : x
  2. Step 2: Convert to fraction form
    28,815.62/39,749.66 = 18,076.24/x
  3. Step 3: Cross multiply
    28,815.62x = 39,749.66 × 18,076.24
  4. Step 4: Simplify right side
    28,815.62x = 718,524,394.08
  5. Step 5: Solve for x
    x = 718,524,394.08/28,815.62
  6. Step 6: Final answer
    x = 24,935.24

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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.