Home / 28,774.14-43,153.17-18,228.48

Finding the Fourth Proportional to 28,774.14, 43,153.17 and 18,228.48

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Solution

The fourth proportional to 28,774.14, 43,153.17 and 18,228.48 is: 27,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.14 : 43,153.17 = 18,228.48 : x
  2. Step 2: Convert to fraction form
    28,774.14/43,153.17 = 18,228.48/x
  3. Step 3: Cross multiply
    28,774.14x = 43,153.17 × 18,228.48
  4. Step 4: Simplify right side
    28,774.14x = 786,616,696.28
  5. Step 5: Solve for x
    x = 786,616,696.28/28,774.14
  6. Step 6: Final answer
    x = 27,337.63

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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.