Home / 28,784.17-43,182.15-11,013.58

Finding the Fourth Proportional to 28,784.17, 43,182.15 and 11,013.58

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Solution

The fourth proportional to 28,784.17, 43,182.15 and 11,013.58 is: 16,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.17 : 43,182.15 = 11,013.58 : x
  2. Step 2: Convert to fraction form
    28,784.17/43,182.15 = 11,013.58/x
  3. Step 3: Cross multiply
    28,784.17x = 43,182.15 × 11,013.58
  4. Step 4: Simplify right side
    28,784.17x = 475,590,063.60
  5. Step 5: Solve for x
    x = 475,590,063.60/28,784.17
  6. Step 6: Final answer
    x = 16,522.63

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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.