Home / 28,697.60-39,594.12-17,371.28

Finding the Fourth Proportional to 28,697.60, 39,594.12 and 17,371.28

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Solution

The fourth proportional to 28,697.60, 39,594.12 and 17,371.28 is: 23,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.60 : 39,594.12 = 17,371.28 : x
  2. Step 2: Convert to fraction form
    28,697.60/39,594.12 = 17,371.28/x
  3. Step 3: Cross multiply
    28,697.60x = 39,594.12 × 17,371.28
  4. Step 4: Simplify right side
    28,697.60x = 687,800,544.87
  5. Step 5: Solve for x
    x = 687,800,544.87/28,697.60
  6. Step 6: Final answer
    x = 23,967.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.