Home / 28,550.16-39,410.28-17,370

Finding the Fourth Proportional to 28,550.16, 39,410.28 and 17,370

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Solution

The fourth proportional to 28,550.16, 39,410.28 and 17,370 is: 23,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.16 : 39,410.28 = 17,370 : x
  2. Step 2: Convert to fraction form
    28,550.16/39,410.28 = 17,370/x
  3. Step 3: Cross multiply
    28,550.16x = 39,410.28 × 17,370
  4. Step 4: Simplify right side
    28,550.16x = 684,556,563.60
  5. Step 5: Solve for x
    x = 684,556,563.60/28,550.16
  6. Step 6: Final answer
    x = 23,977.33

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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.