Home / 28,358.38-42,540.48-10,842.94

Finding the Fourth Proportional to 28,358.38, 42,540.48 and 10,842.94

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Solution

The fourth proportional to 28,358.38, 42,540.48 and 10,842.94 is: 16,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358.38 : 42,540.48 = 10,842.94 : x
  2. Step 2: Convert to fraction form
    28,358.38/42,540.48 = 10,842.94/x
  3. Step 3: Cross multiply
    28,358.38x = 42,540.48 × 10,842.94
  4. Step 4: Simplify right side
    28,358.38x = 461,263,872.21
  5. Step 5: Solve for x
    x = 461,263,872.21/28,358.38
  6. Step 6: Final answer
    x = 16,265.52

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1.5x scale

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.