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Finding the Fourth Proportional to 28,903.02, 43,351.02 and 7,841.72

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Solution

The fourth proportional to 28,903.02, 43,351.02 and 7,841.72 is: 11,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.02 : 43,351.02 = 7,841.72 : x
  2. Step 2: Convert to fraction form
    28,903.02/43,351.02 = 7,841.72/x
  3. Step 3: Cross multiply
    28,903.02x = 43,351.02 × 7,841.72
  4. Step 4: Simplify right side
    28,903.02x = 339,946,560.55
  5. Step 5: Solve for x
    x = 339,946,560.55/28,903.02
  6. Step 6: Final answer
    x = 11,761.63

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1.5x scale

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.