Home / 28,507.08-39,350.75-25,517.64

Finding the Fourth Proportional to 28,507.08, 39,350.75 and 25,517.64

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Solution

The fourth proportional to 28,507.08, 39,350.75 and 25,517.64 is: 35,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,507.08 : 39,350.75 = 25,517.64 : x
  2. Step 2: Convert to fraction form
    28,507.08/39,350.75 = 25,517.64/x
  3. Step 3: Cross multiply
    28,507.08x = 39,350.75 × 25,517.64
  4. Step 4: Simplify right side
    28,507.08x = 1,004,138,144.64
  5. Step 5: Solve for x
    x = 1,004,138,144.64/28,507.08
  6. Step 6: Final answer
    x = 35,224.17

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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.