Home / 25,697.28-35,470.62-15,086.64

Finding the Fourth Proportional to 25,697.28, 35,470.62 and 15,086.64

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Solution

The fourth proportional to 25,697.28, 35,470.62 and 15,086.64 is: 20,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,697.28 : 35,470.62 = 15,086.64 : x
  2. Step 2: Convert to fraction form
    25,697.28/35,470.62 = 15,086.64/x
  3. Step 3: Cross multiply
    25,697.28x = 35,470.62 × 15,086.64
  4. Step 4: Simplify right side
    25,697.28x = 535,132,474.52
  5. Step 5: Solve for x
    x = 535,132,474.52/25,697.28
  6. Step 6: Final answer
    x = 20,824.48

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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.