Home / 25,789.60-35,586.97-15,178.60

Finding the Fourth Proportional to 25,789.60, 35,586.97 and 15,178.60

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Solution

The fourth proportional to 25,789.60, 35,586.97 and 15,178.60 is: 20,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.60 : 35,586.97 = 15,178.60 : x
  2. Step 2: Convert to fraction form
    25,789.60/35,586.97 = 15,178.60/x
  3. Step 3: Cross multiply
    25,789.60x = 35,586.97 × 15,178.60
  4. Step 4: Simplify right side
    25,789.60x = 540,160,382.84
  5. Step 5: Solve for x
    x = 540,160,382.84/25,789.60
  6. Step 6: Final answer
    x = 20,944.89

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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.