Home / 28,780.53-39,717.80-16,034.56

Finding the Fourth Proportional to 28,780.53, 39,717.80 and 16,034.56

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Solution

The fourth proportional to 28,780.53, 39,717.80 and 16,034.56 is: 22,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780.53 : 39,717.80 = 16,034.56 : x
  2. Step 2: Convert to fraction form
    28,780.53/39,717.80 = 16,034.56/x
  3. Step 3: Cross multiply
    28,780.53x = 39,717.80 × 16,034.56
  4. Step 4: Simplify right side
    28,780.53x = 636,857,447.17
  5. Step 5: Solve for x
    x = 636,857,447.17/28,780.53
  6. Step 6: Final answer
    x = 22,128.07

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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.