Home / 25,667.20-35,406.24-15,054.56

Finding the Fourth Proportional to 25,667.20, 35,406.24 and 15,054.56

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Solution

The fourth proportional to 25,667.20, 35,406.24 and 15,054.56 is: 20,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.20 : 35,406.24 = 15,054.56 : x
  2. Step 2: Convert to fraction form
    25,667.20/35,406.24 = 15,054.56/x
  3. Step 3: Cross multiply
    25,667.20x = 35,406.24 × 15,054.56
  4. Step 4: Simplify right side
    25,667.20x = 533,025,364.45
  5. Step 5: Solve for x
    x = 533,025,364.45/25,667.20
  6. Step 6: Final answer
    x = 20,766.79

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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.