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Finding the Fourth Proportional to 28,755.83, 43,138.10 and 9,032.54

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Solution

The fourth proportional to 28,755.83, 43,138.10 and 9,032.54 is: 13,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.83 : 43,138.10 = 9,032.54 : x
  2. Step 2: Convert to fraction form
    28,755.83/43,138.10 = 9,032.54/x
  3. Step 3: Cross multiply
    28,755.83x = 43,138.10 × 9,032.54
  4. Step 4: Simplify right side
    28,755.83x = 389,646,420.66
  5. Step 5: Solve for x
    x = 389,646,420.66/28,755.83
  6. Step 6: Final answer
    x = 13,550.17

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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.