Home / 25,505.94-35,202.38-21,250.25

Finding the Fourth Proportional to 25,505.94, 35,202.38 and 21,250.25

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Solution

The fourth proportional to 25,505.94, 35,202.38 and 21,250.25 is: 29,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.94 : 35,202.38 = 21,250.25 : x
  2. Step 2: Convert to fraction form
    25,505.94/35,202.38 = 21,250.25/x
  3. Step 3: Cross multiply
    25,505.94x = 35,202.38 × 21,250.25
  4. Step 4: Simplify right side
    25,505.94x = 748,059,357.35
  5. Step 5: Solve for x
    x = 748,059,357.35/25,505.94
  6. Step 6: Final answer
    x = 29,328.83

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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.