Home / 25,377.12-35,033.58-15,819.84

Finding the Fourth Proportional to 25,377.12, 35,033.58 and 15,819.84

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Solution

The fourth proportional to 25,377.12, 35,033.58 and 15,819.84 is: 21,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,377.12 : 35,033.58 = 15,819.84 : x
  2. Step 2: Convert to fraction form
    25,377.12/35,033.58 = 15,819.84/x
  3. Step 3: Cross multiply
    25,377.12x = 35,033.58 × 15,819.84
  4. Step 4: Simplify right side
    25,377.12x = 554,225,630.23
  5. Step 5: Solve for x
    x = 554,225,630.23/25,377.12
  6. Step 6: Final answer
    x = 21,839.58

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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.