Home / 28,961.28-43,484.88-17,836.08

Finding the Fourth Proportional to 28,961.28, 43,484.88 and 17,836.08

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Solution

The fourth proportional to 28,961.28, 43,484.88 and 17,836.08 is: 26,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.28 : 43,484.88 = 17,836.08 : x
  2. Step 2: Convert to fraction form
    28,961.28/43,484.88 = 17,836.08/x
  3. Step 3: Cross multiply
    28,961.28x = 43,484.88 × 17,836.08
  4. Step 4: Simplify right side
    28,961.28x = 775,599,798.47
  5. Step 5: Solve for x
    x = 775,599,798.47/28,961.28
  6. Step 6: Final answer
    x = 26,780.58

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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.