Home / 25,727.09-35,504.69-15,120.14

Finding the Fourth Proportional to 25,727.09, 35,504.69 and 15,120.14

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Solution

The fourth proportional to 25,727.09, 35,504.69 and 15,120.14 is: 20,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.09 : 35,504.69 = 15,120.14 : x
  2. Step 2: Convert to fraction form
    25,727.09/35,504.69 = 15,120.14/x
  3. Step 3: Cross multiply
    25,727.09x = 35,504.69 × 15,120.14
  4. Step 4: Simplify right side
    25,727.09x = 536,835,630.33
  5. Step 5: Solve for x
    x = 536,835,630.33/25,727.09
  6. Step 6: Final answer
    x = 20,866.55

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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.