Home / 28,969.25-39,974.72-17,035.52

Finding the Fourth Proportional to 28,969.25, 39,974.72 and 17,035.52

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Solution

The fourth proportional to 28,969.25, 39,974.72 and 17,035.52 is: 23,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.25 : 39,974.72 = 17,035.52 : x
  2. Step 2: Convert to fraction form
    28,969.25/39,974.72 = 17,035.52/x
  3. Step 3: Cross multiply
    28,969.25x = 39,974.72 × 17,035.52
  4. Step 4: Simplify right side
    28,969.25x = 680,989,857.00
  5. Step 5: Solve for x
    x = 680,989,857.00/28,969.25
  6. Step 6: Final answer
    x = 23,507.34

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1.5x scale

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.