Home / 28,834.41-39,780.39-17,505.75

Finding the Fourth Proportional to 28,834.41, 39,780.39 and 17,505.75

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Solution

The fourth proportional to 28,834.41, 39,780.39 and 17,505.75 is: 24,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.41 : 39,780.39 = 17,505.75 : x
  2. Step 2: Convert to fraction form
    28,834.41/39,780.39 = 17,505.75/x
  3. Step 3: Cross multiply
    28,834.41x = 39,780.39 × 17,505.75
  4. Step 4: Simplify right side
    28,834.41x = 696,385,562.24
  5. Step 5: Solve for x
    x = 696,385,562.24/28,834.41
  6. Step 6: Final answer
    x = 24,151.20

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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.