Home / 28,556.73-42,847.16-15,393.71

Finding the Fourth Proportional to 28,556.73, 42,847.16 and 15,393.71

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Solution

The fourth proportional to 28,556.73, 42,847.16 and 15,393.71 is: 23,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.73 : 42,847.16 = 15,393.71 : x
  2. Step 2: Convert to fraction form
    28,556.73/42,847.16 = 15,393.71/x
  3. Step 3: Cross multiply
    28,556.73x = 42,847.16 × 15,393.71
  4. Step 4: Simplify right side
    28,556.73x = 659,576,785.51
  5. Step 5: Solve for x
    x = 659,576,785.51/28,556.73
  6. Step 6: Final answer
    x = 23,097.07

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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.