Home / 28,670.63-39,565.46-16,099.43

Finding the Fourth Proportional to 28,670.63, 39,565.46 and 16,099.43

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Solution

The fourth proportional to 28,670.63, 39,565.46 and 16,099.43 is: 22,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.63 : 39,565.46 = 16,099.43 : x
  2. Step 2: Convert to fraction form
    28,670.63/39,565.46 = 16,099.43/x
  3. Step 3: Cross multiply
    28,670.63x = 39,565.46 × 16,099.43
  4. Step 4: Simplify right side
    28,670.63x = 636,981,196.11
  5. Step 5: Solve for x
    x = 636,981,196.11/28,670.63
  6. Step 6: Final answer
    x = 22,217.21

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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.