Home / 28,736.10-43,108.47-14,688.54

Finding the Fourth Proportional to 28,736.10, 43,108.47 and 14,688.54

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Solution

The fourth proportional to 28,736.10, 43,108.47 and 14,688.54 is: 22,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.10 : 43,108.47 = 14,688.54 : x
  2. Step 2: Convert to fraction form
    28,736.10/43,108.47 = 14,688.54/x
  3. Step 3: Cross multiply
    28,736.10x = 43,108.47 × 14,688.54
  4. Step 4: Simplify right side
    28,736.10x = 633,200,485.93
  5. Step 5: Solve for x
    x = 633,200,485.93/28,736.10
  6. Step 6: Final answer
    x = 22,035.02

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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.