Home / 28,702.17-43,003.71-15,563.70

Finding the Fourth Proportional to 28,702.17, 43,003.71 and 15,563.70

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Solution

The fourth proportional to 28,702.17, 43,003.71 and 15,563.70 is: 23,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702.17 : 43,003.71 = 15,563.70 : x
  2. Step 2: Convert to fraction form
    28,702.17/43,003.71 = 15,563.70/x
  3. Step 3: Cross multiply
    28,702.17x = 43,003.71 × 15,563.70
  4. Step 4: Simplify right side
    28,702.17x = 669,296,841.33
  5. Step 5: Solve for x
    x = 669,296,841.33/28,702.17
  6. Step 6: Final answer
    x = 23,318.68

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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.