Home / 28,892.96-43,313.52-10,420.64

Finding the Fourth Proportional to 28,892.96, 43,313.52 and 10,420.64

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Solution

The fourth proportional to 28,892.96, 43,313.52 and 10,420.64 is: 15,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.96 : 43,313.52 = 10,420.64 : x
  2. Step 2: Convert to fraction form
    28,892.96/43,313.52 = 10,420.64/x
  3. Step 3: Cross multiply
    28,892.96x = 43,313.52 × 10,420.64
  4. Step 4: Simplify right side
    28,892.96x = 451,354,599.05
  5. Step 5: Solve for x
    x = 451,354,599.05/28,892.96
  6. Step 6: Final answer
    x = 15,621.61

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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.