Home / 28,731.28-43,095.56-10,015.52

Finding the Fourth Proportional to 28,731.28, 43,095.56 and 10,015.52

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Solution

The fourth proportional to 28,731.28, 43,095.56 and 10,015.52 is: 15,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.28 : 43,095.56 = 10,015.52 : x
  2. Step 2: Convert to fraction form
    28,731.28/43,095.56 = 10,015.52/x
  3. Step 3: Cross multiply
    28,731.28x = 43,095.56 × 10,015.52
  4. Step 4: Simplify right side
    28,731.28x = 431,624,443.09
  5. Step 5: Solve for x
    x = 431,624,443.09/28,731.28
  6. Step 6: Final answer
    x = 15,022.81

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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.