Home / 28,721.28-43,092.96-10,003.32

Finding the Fourth Proportional to 28,721.28, 43,092.96 and 10,003.32

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Solution

The fourth proportional to 28,721.28, 43,092.96 and 10,003.32 is: 15,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,721.28 : 43,092.96 = 10,003.32 : x
  2. Step 2: Convert to fraction form
    28,721.28/43,092.96 = 10,003.32/x
  3. Step 3: Cross multiply
    28,721.28x = 43,092.96 × 10,003.32
  4. Step 4: Simplify right side
    28,721.28x = 431,072,668.63
  5. Step 5: Solve for x
    x = 431,072,668.63/28,721.28
  6. Step 6: Final answer
    x = 15,008.83

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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.