Home / 28,785.38-39,723.82-16,848.14

Finding the Fourth Proportional to 28,785.38, 39,723.82 and 16,848.14

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Solution

The fourth proportional to 28,785.38, 39,723.82 and 16,848.14 is: 23,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.38 : 39,723.82 = 16,848.14 : x
  2. Step 2: Convert to fraction form
    28,785.38/39,723.82 = 16,848.14/x
  3. Step 3: Cross multiply
    28,785.38x = 39,723.82 × 16,848.14
  4. Step 4: Simplify right side
    28,785.38x = 669,272,239.96
  5. Step 5: Solve for x
    x = 669,272,239.96/28,785.38
  6. Step 6: Final answer
    x = 23,250.43

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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.