Home / 28,837.90-39,785.66-16,896.88

Finding the Fourth Proportional to 28,837.90, 39,785.66 and 16,896.88

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Solution

The fourth proportional to 28,837.90, 39,785.66 and 16,896.88 is: 23,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.90 : 39,785.66 = 16,896.88 : x
  2. Step 2: Convert to fraction form
    28,837.90/39,785.66 = 16,896.88/x
  3. Step 3: Cross multiply
    28,837.90x = 39,785.66 × 16,896.88
  4. Step 4: Simplify right side
    28,837.90x = 672,253,522.74
  5. Step 5: Solve for x
    x = 672,253,522.74/28,837.90
  6. Step 6: Final answer
    x = 23,311.46

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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.