Home / 28,740.96-43,085.52-10,268.64

Finding the Fourth Proportional to 28,740.96, 43,085.52 and 10,268.64

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Solution

The fourth proportional to 28,740.96, 43,085.52 and 10,268.64 is: 15,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.96 : 43,085.52 = 10,268.64 : x
  2. Step 2: Convert to fraction form
    28,740.96/43,085.52 = 10,268.64/x
  3. Step 3: Cross multiply
    28,740.96x = 43,085.52 × 10,268.64
  4. Step 4: Simplify right side
    28,740.96x = 442,429,694.09
  5. Step 5: Solve for x
    x = 442,429,694.09/28,740.96
  6. Step 6: Final answer
    x = 15,393.70

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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.